Features 1、Guitar string ratainer bar length is 52mm/2.05in; space between holes is 42mm/1.65in. 2、Keep the strings fixed and reduce out of tune; lessen string friction to save the strings. 3、Made of high quality alloy metal, providing long durability. Specification Features: Guitar string ratainer bar length is 52mm/2.05in; space between holes is 42mm/1.65in. Keep the strings fixed and reduce out of tune; lessen string friction to save the strings. Made of high quality alloy metal, providing long durability. Package comes with extra 2 mounting screws. 100% brand new and well made. Specifications: Material: Alloy Metal + Iron Color: Gold/ Silver/ Black (optional) Length: 52mm / 2.05in Item Size: Refer to the picture for detailed size Item Weight: 6g / 0.21oz Package Size: 6 * 4 * 0.5cm / 2.36 * 1.57 * 0.2in Package Weight: 7g / 0.25oz Package List: 1 * String Retainer Bar 2 * Mounting Screws Package List 1 * String Retainer Bar 2 * Mounting Screws