Features:3.The 3x12mm screws are made of high-quality metal, with high hardness and durability, suitable for various brands of guitar guards.4.Cross-shaped screw, shiny, beautiful, easy to tighten and avoid slipping.5.High-quality material: The guitar back cover is made of plastic, smooth surface, sturdy and , the best replacement and decoration for your guitar.6.Excellent performance: The guitar back cover can effectively prevent your guitar from being scratched. Exquisite workmanship, stylish appearance. You can use it with confidence.7.Easy to install: The kit contains 1piece guitar back cover with 6pcs screws, 50pcs guitar guard cross screws, easy to install and use. 50pcs screws can avoid the lack of enough screws to make guitar maintenance impossible. The extra screws can be used in other places, or as spare screws.Specifications:Material: Metal, PlasticColor: BlackBrand name: BQLZRSize: 140 x 92mm/5.51 x 3.62inch(L x W)Weight: 61gPackage include:1 x Guitar Tremolo Spring Cover6 x Guitar Cover Screws50 x Guitar Pickguard Screws 3x12mm