ReviewsSleeve Coupler

LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in, not on the machine. World's best-selling original locking grease coupler. Rated 10,000 PSI. Long-lasting rebuildable tool.

  • LOCKS ON, DOES NOT LEAK: Grease goes in, not on the machine. LockNLube’s unique sliding sleeve ensures that when the jaws are locked onto the Zerk, a leak-proof seal is created..
  • ONLY REBUILDABLE COUPLER: All LockNLube couplers include a rebuild kit! Simply replace the seal and jaws and it is as good as new = lowest lifetime cost..
  • COMPATIBLE WITH ALL GREASE GUNS AND ZERK FITTINGS: 1/8" NPT works with all grease guns and manufacturers – pneumatic, manual, or electric. Locks on to all Metric and SAE specification Zerks..
  • BEST BUILT GUARANTEE: If our products don’t work better and last longer than anything out there, we’ll make it right. If you aren’t satisfied with anything you buy from LockNLube, send it back within a year for a full refund - no strings attached..
  • HANDS FREE, LEAK FREE GREASING: The LockNLube Grease Coupler is rated to 10,000 PSI (690 Bar) and will not release under pressure. No hands are needed to align the coupler or keep it attached. End greasing frustration..
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bROK Products 32973 Coupler 2\ Ball, 3\ Channel - 3500 lb.

  • PRECISE FIT. This trailer coupler is designed to mount onto a 3-inch wide trailer tongue beam and couple to any standard 2-inch diameter trailer ball.
  • EASILY ADJUSTABLE. Equipped with a posi-lock spring and adjustable nut on the inside, this trailer hitch coupler can easily be adjusted to ensure a snug fit on the trailer ball.
  • SECURE COUPLING. The posi-lock latch mechanism of this trailer tongue coupler accepts a safety pin or coupler lock for enhanced security.
  • HIGH-STRENGTH. Constructed from punched, die-cut steel, this trailer ball coupler is rated as a class 2 trailer coupler and has a capacity of 3,500 lbs. gross trailer weight and 500 lbs. tongue weight.
  • CORROSION-RESISTANT. To easily outlast the elements, including rain, snow, dirt, road grime and more, this straight tongue trailer coupler is finished in a durable zinc plating and makes a great boat trailer coupler.
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Foster 3 Series - 50pc Coupler & Plug Kit, 1/4\ Body, 1/4\ NPT - Industrial Interchange, I/M, MIL Spec

  • Made in the USA. 300psi Working Pressure.
  • Heavy-Duty build For the toughest jobs. Designed to be used Daily..
  • Interchanges with: Industrial, I/M, MIL Spec.
  • Brass Sleeve, Body & Hose Barb, Steel Valve & Spring. High-Quality Molded Seal..
  • Male Coupler with Sleeve Guard - 1/4" Body x 1/4" Hose Barb.
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Bestauto 3/4NPT Hydraulic Quick Connect 3/4body Hydraulic Coupler 20.7MPa Hydraulic Coupling Quick Connect 106L/min Hydraulic Quick Coupler (ISO 16028)

  • Advanced Design: This flat face hydraulic connect coupler set features an improved valve design, which allows for a rated pressure of 3000 PSI, 106/L high-flow, zero fluid loss, and long service life. It meets the standards of ISO 16028, perfect for connecting your hydraulic lines..
  • Quick Connecting: The sleeve locking mechanism (with 3/4" NPT thread) makes the couplers easy to connect with a simple push. Rotate the collar to lock them tightly, preventing accidental disconnection. If you need to disconnect it, aim the point at the gap, then give a pull. Connection is simple, effortless, and requires minimal force..
  • Hardened Steel Construction: Our quick couplers are strongly built with hardened stainless steel to resist deformation and high temperatures. The zinc-nickel plating provides high resistance against rust and corrosion. They are built tough to last for years to come..
  • Dust Covers Included: Dust caps are included to prevent dirt from disrupting the connecting system, preventing the risk of malfunction. The retaining ring is covered by a sleeve. Additionally, a dust seal is placed within the spring area..
  • High Compatibility: The quick coupler set is designed for applications where hydraulic spillage is likely to occur. It can be interchanged....
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CURT 25217 Black A-Frame Trailer Coupler, 2-Inch Hitch Ball, 7,000 lbs

  • PRECISE FIT. This trailer coupler is designed to mount onto an A-frame trailer tongue and couple to any standard 2-5/16-inch diameter trailer ball.
  • EASY OPERATION. Equipped with an easy-lock latch mechanism, this trailer hitch coupler is quick and simple to operate and offers a snug fit on the trailer ball.
  • SECURE COUPLING. The easy-lock latch mechanism of this trailer tongue coupler accepts a safety pin or coupler lock for enhanced security.
  • HIGH-STRENGTH. Constructed from punched, die-cut steel, this trailer ball coupler is rated as a class 4 trailer coupler and has a capacity of 10,000 lbs. gross trailer weight and 1,500 lbs. tongue weight.
  • CORROSION-RESISTANT. To easily outlast the elements, including rain, snow, dirt, road grime and more, this A-frame tongue trailer coupler is finished in a durable black powder coat and makes a great boat trailer coupler.
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Bestauto Hydraulic Quick Connect 1/2 Body with 1/2\ NPT Thread Hydraulic Coupler 4 Pairs Hydraulic Coupling Quick Connect 45.5 L/min Hydraulic Quick Coupler (ISO 16028)

  • Advanced Design: This flat face hydraulic connect coupler set features an improved valve design, which allows for a rated pressure of 4000 PSI, 45/L high-flow, zero fluid loss, and long service life. It meets the standards of ISO 16028, perfect for connecting your hydraulic lines..
  • Quick Connecting: The sleeve locking mechanism (with 1/2" NPT thread) makes the couplers easy to connect with a simple push. Rotate the collar to lock them tightly, preventing accidental disconnection. If you need to disconnect it, aim the point at the gap, then give a pull. Connection is simple, effortless, and requires minimal force..
  • Hardened Steel Construction: Our quick couplers are strongly built with hardened stainless steel to resist deformation and high temperatures. The zinc-nickel plating provides high resistance against rust and corrosion. They are built tough to last for years to come..
  • Dust Covers Included: Dust caps are included to prevent dirt from disrupting the connecting system, preventing the risk of malfunction. The retaining ring is covered by a sleeve. Additionally, a dust seal is placed within the spring area..
  • High Compatibility: The quick coupler set is designed for applications where hydraulic spillage is likely to occur. It can be interchanged ....
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CURT 25100 Straight Tongue Trailer Coupler for 3-Inch Channel, 2-In Hitch Ball, 5,000 lbs

  • PRECISE FIT. This trailer coupler is designed to mount onto a 3-inch wide trailer tongue beam and couple to any standard 2-inch diameter trailer ball.
  • EASILY ADJUSTABLE. Equipped with a posi-lock spring and adjustable nut on the inside, this trailer hitch coupler can easily be adjusted to ensure a snug fit on the trailer ball.
  • SECURE COUPLING. The posi-lock latch mechanism of this trailer tongue coupler accepts a safety pin or coupler lock for enhanced security.
  • HIGH-STRENGTH. Constructed from punched, die-cut steel, this trailer ball coupler is rated as a class 3 trailer coupler and has a capacity of 5,000 lbs. gross trailer weight and 700 lbs. tongue weight.
  • CORROSION-RESISTANT. To easily outlast the elements, including rain, snow, dirt, road grime and more, this straight tongue trailer coupler is finished in a durable zinc plating and makes a great boat trailer coupler.
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EZ Snap Covers 9 Foot Long Standard Height 7 1/2″ Baseboard Heater Cover Kit with 2 Closed End Caps

  • EZ Snap Covers are 20 gauge galvanized steel with white epoxy powder coating. They are guaranteed never to rust and are 18% thicker steel than all comparable baseboard heater covers. End caps are 18 gauge thickness..
  • Our covers fit 95% of all existing hot water baseboard radiator heaters. Installation takes five minutes, requires no power tools, and saves you on pricey contractor bills..
  • Lengths over 8’ include a coupler to join the panels together. 8’ will be 2 4’ covers and a coupler, 9’ is 1 4’ and 1 5’ cover and a coupler.
  • 10’ is 2 5’ covers and a coupler, 11’ is 1 5’ and 1 6’ and a coupler.
  • 13’ is 1 6’ and 1 7’ and a coupler.
  • EZ Snap Covers have a lifetime warranty against rust. If they rust, send them back and we will replace them..
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Bestauto Skid Steer Hydraulic Quick Connect 1/2\ Body Hydraulic Coupler 1/2\ NPT Hydraulic Coupling Quick Connect 2 Pairs Hydraulic Quick Coupler 27.6 MPa (ISO 16028) (2 Pairs)

  • Advanced Design: This flat face hydraulic connect coupler set features an improved valve design, which allows for a rated pressure of 4000 PSI, 45/L high-flow, zero fluid loss, and long service life. It meets the standards of ISO 16028, perfect for connecting your hydraulic lines..
  • Quick Connecting: The sleeve locking mechanism (with 1/2" NPT thread) makes the couplers easy to connect with a simple push. Rotate the collar to lock them tightly, preventing accidental disconnection. If you need to disconnect it, aim the point at the gap, then give a pull. Connection is simple, effortless, and requires minimal force..
  • Hardened Steel Construction: Our quick couplers are strongly built with hardened stainless steel to resist deformation and high temperatures. The zinc-nickel plating provides high resistance against rust and corrosion. They are built tough to last for years to come..
  • Dust Covers Included: Dust caps are included to prevent dirt from disrupting the connecting system, preventing the risk of malfunction. The retaining ring is covered by a sleeve. Additionally, a dust seal is placed within the spring area..
  • High Compatibility: The quick coupler set is designed for applications where hydraulic spillage is likely to occur. It can be interchanged ....
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CURT 25128 Straight Tongue Trailer Coupler for 2-Inch Channel 1-7/8-In Hitch Ball 2,000 lbs

  • PRECISE FIT. This trailer coupler is designed to mount onto a 2-inch wide trailer tongue beam and couple to any standard 1-7/8-inch diameter trailer ball.
  • EASILY ADJUSTABLE. Equipped with a posi-lock spring and adjustable nut on the inside, this trailer hitch coupler can easily be adjusted to ensure a snug fit on the trailer ball.
  • SECURE COUPLING. The posi-lock latch mechanism of this trailer tongue coupler accepts a safety pin or coupler lock for enhanced security.
  • HIGH-STRENGTH. Constructed from punched, die-cut steel, this trailer ball coupler is rated as a class 1 trailer coupler and has a capacity of 2,000 lbs. gross trailer weight and 200 lbs. tongue weight.
  • CORROSION-RESISTANT. To easily outlast the elements, including rain, snow, dirt, road grime and more, this straight tongue trailer coupler is finished in a durable zinc plating and makes a great boat trailer coupler.
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2\ Straight Trailer Coupler, 2\ Channel - 3500 lb Class II - for Towing RV, Boat, Camper(3500LBS 2\X2\)

  • PRECISE FIT. This trailer coupler is designed to mount onto a 2-inch wide trailer tongue beam and couple to any standard 2-inch diameter trailer ball.
  • EASILY ADJUSTABLE. Equipped with a posi-lock spring and adjustable nut on the inside, this trailer hitch coupler can easily be adjusted to ensure a snug fit on the trailer ball.
  • SECURE COUPLING. The posi-lock latch mechanism of this trailer tongue coupler accepts a safety pin or coupler lock for enhanced security.
  • HIGH-STRENGTH. Constructed from punched, die-cut steel, this trailer ball coupler is rated as a class 2 trailer coupler and has a capacity of 3,500 lbs. gross trailer weight and 500 lbs. tongue weight.
  • CORROSION-RESISTANT. To easily outlast the elements, including rain, snow, dirt, road grime and more, this straight tongue trailer coupler is finished in a durable zinc plating and makes a great boat trailer coupler.
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