Features: Made of high-quality stainless steel material, smooth surface, screw cover is rustproof, waterproof, ensuring durability and longevity. Good fasteners with a finishing touch. Smooth surface, make the screws look beautiful. Easy to clean, easy to install and easy to disassemble. It can be used in sign, advertising, mirrors, glass signboards, sign shop facilities, coffee tables, other wood or glass furniture. Package Include:10x screw covers,10x screws,10x washers, or 20x screw covers, 20x screws, 20x washers. Specifications: Material: Stainless Steel TypeA Screw Cover: Diameter: Approx. 0.63inch(16mm) TypeB Screw Cover: Diameter: Approx. 0.79inch(20mm) TypeC Screw Cover: Diameter: Approx. 0.98inch(25mm) Screw Length: Approx. 0.98inch(25mm) Package Includes: 3 Optional Package: TypeA: 10x Screw Covers 10x Screws 10x Screws Washers TypeB: 20x Screw Covers 20x Screws 20x Screws Washers TypeC: 20x Screw Covers 20x Screws 20x Screws Washers note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.