Specifications:Features:- Flat head skidproof design.- Fits all acoustic electric bass guitar strap .- Easy to install, durable and convenient to use.Installation:- Release the fastening nut from the strap lock, screw in the pin on the guitar.- Make sure the pin is tightened, then lock the strap to the strap lock button.- Insert the fastening nut into the strap lock.Color: Black, Gold, SilverMaterial: Copper AlloyProduct Weight : 40 G / 1.41 OuncesProduct Dimensions (L*W*H) : 30*25*25 MM / 1.18*0.98*0.98 InchesPackage Weight : 40 G / 1.41 OuncesPackage Dimensions (L*W*H) : 30*25*25 MM / 1.18*0.98*0.98 InchesRetail Packaging: No, No PackingPackage Include:1 x Guitar Strap Lock