KAISH Strat Guitar Back Plate ST Trem Tremolo Cover fits USA/Mexican Standard Fender Stratocaster Aged Pearl The trem cover fits USA/Mexican Standard Fender Strats,but not Fender Squier Strats or other types of Strats.If you have other types of strats,you may need to make a little modification to let it fit Made of plastic; The trem cover has plastic films which should be peeled off after installing Thickness is about 2.2mm (+/- 0.2mm error, because different bulks materials might be varied a little different thickness) Due to the wide variety of Strats in the market,please be sure to verify the dimensions carefully before you order the item Free pickguard mounting screws are included