Features: _x000D_ This strap locks are made of qualified silica gel, high strength with good tenacity, ensures a long time service._x000D_ _x000D_ Work with most strap buttons. it can prevent your guitar strap from falling off._x000D_ _x000D_ Easily slip over strap buttons. No need to remove or replace existing strap buttons on your guitar. Easy to install. _x000D_ Lock your strap in seconds. Nothing mechanical to break or wear out. Don't need to buy a special connector for each strap and guitar. _x000D_ Great accessory for acoustic guitar and electric bass._x000D_ _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Condition: 100% Brand New and High Quality _x000D_ Material: Silica Gel _x000D_ Color: White + Black + Red + Blue _x000D_ Outer Diameter: Approx. 25mm / 1inch _x000D_ Inner Diameter: Approx. 9mm / 0.3inch _x000D_ Thickness: 2.9mm / 0.1inch _x000D_ Quantity: 4 Pair (8 Pieces) _x000D_ Weight: Approx. 13g _x000D_ _x000D_ _x000D_ Package Included: _x000D_ 4 x Pair of Strap Locks 1This strap locks are made of qualified silica gel, high strength with good tenacity, ensures a long time service. 2Work with most strap buttons. it can prevent your guitar strap from falling off. 3 Easily slip over strap buttons. No need to remove or replace existing strap buttons on your guitar. Easy to install. 4 Lock your strap in seconds. Nothing mechanical to break or wear out. Don't need to buy a special connector for each strap and guitar. 5Great accessory for acoustic guitar and electric bass.