Features: Made from durable metal materials, lightweight, soft and durable, not easily damaged or worn. Can hold the strap firmly in place, help you prevent the strap from pulling down. Designed for most types of guitars, for acoustic guitar, classical guitar, electric guitar, bass or ukulele. The strap is more firmly attached, which effectively prevents guitar from falling off, and the installation methods is simple. It can better protect your guitar, prevent the guitar strap from falling off. Specifications: Material: Metal Style: Concave/with Circle/Size 15X10MM Color: Black/Chrome/Gold Size: As shown in the picture Package Includes: 4pcs Guitar Strap Locks note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.