Features: 1.INCLUDED PARTS: Guitar bridge tremolo system set, including electric guitar crank rod, spring, screw, spacer and nuts, with complete accessories. 2.METAL MATERIAL: These tremolo bridge parts are made of excellent metal material, which has high hardness wear resistance, with a long service life. 3.REPLACEMENT PARTS: These guitar vibrato system parts are available in standard sizes and can be used directly to replace old or damaged guitar parts. 4.FOR ELECTRIC GUITAR: These accessories are good replacement parts for guitar, great for DIY electric guitars, and can be given as gifts to guitar lovers. 5.GLOSSY SURFACE: These guitar vibrato system parts have glossy appearance and will not damage the surface of the guitar when used, safe and reliable. specification:Item Type: Guitar Bridge Tremolo System Material: Metal Color: Silver PackageList: 1 x Electric Guitar Crank Lever 1 x Spring 1 x Screw 2 x Spring Washer 1 x Gasket 2 x Nuts