Jam Bases 100-250 (Backing Tracks)
- Material:High quality Steel spring,Aluminum handle.
- Ergonomic Knurling Design, Solid Aluminum/Sponge Handle For a Non-Slip Grip and Super Comfortable To Hold..
- Rust-Proof Coated Spring in 6 Different Resistance Level From 100lbs to 350lbs for All Levels of Users..
- Two pieces Non-slip tapes(in random color) send as a gift.