This item is a guitar strap lock which is well made of premium copper material for durable use. Gloss finish brings a to the guitar. It can protect your instrument from accidental release of strap. Mushroom head straplock ensures secure locking, not easy to fall off. Easy to mount and use. Just attach it to your strap, and install screws securely into locking position on the instrument. Suitable for electric bass and electric guitar. Feature - Each guitar needs 2 strap locks. An excellent accessary for electric guitar and bass. - Solid copper material with gloss finish, which ensures sturdy use and nice look. - Protects your instrument from accidental release of strap. - Mushroom head straplock, suitable for electric and acoustic guitars. - The mounting screws and washers are included for easy installation. - Easy to mount and use. Just attach it to your strap, and install screws securely into locking position on the instrument. Specifications - Material: Copper - Color: Silver - Screw: Approx.20 x 3mm - Button inner diameter: Approx. 4.5mm - Button outer diameter: Approx. 16mm - Button height: 9mm Package list: 2 x Strap button 2 x Screws 2 x Washers