Specifications: Product material: iron Product color: silver, gold, black Single size: 14 x 9 x 8.5mm/0.55 x 0.35 x 0.33" Product weight: 55g Application: for acoustic guitar, bass, and electric guitar straps Notes: 1. 10pcs in a set, with screws included. 2. There may be slight size deviations due to manual measurement, different measuring methods and tools. 3. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 10 x Guitar Strap Lock Buckles