Mophorn Swivel Chair Base 28 Inch, Office Chair Replacement Base 320 Pounds, Office Chair Base 5 Inch Stroke Length, Replacement Chair Base with Bottom Plate Base Cylinder and 5 Casters
- 【PREMIUM QUALITY】- The black office chair base contains thickened metal construction. 28 inch, 320lbs.
- It is wear-resistant, anti-scratch, and anti-rust. 360-degree swivel action for easy transfer..
- 【HEAVY-DUTY SEAT PLATE】- The seat plate has a fixed mounting hole, mounting hole distance: 10"/253. mounting hole distance wide: 6"/152 mm. It rated for up 320 pounds. The extended service life offered. The practical chair gas lift piston is ideal for various office chairs..
- 【PNEUMATIC GAS CYLINDER】- The solid pneumatic gas cylinder provides a good load capacity of 320 lbs. It has a 5" travel from lowest to highest. The adjustable height of the cylinder: 4 inches (100 mm)..
- 【ROLLING CASTER BASE】- The diameter of 5 casters is 60 mm. Each caster rated for up 110 lbs. The friction is small with noiseless function. The anti-skid caster is convenient to move. The damage to the floor reduced..
- 【EASY TO ASSEMBLE】- It is extremely simple and convenient to install and operate. Complete accessories all parts you need under the seat are equipped..