10pcs M6 M8 M10 M12 Nut Bolts Dome Protective Cap Covers for Exposed to Plastic Hex HeadDescription:These cover nuts and exposed screws and provide effective protection against damage and weather and improve the finished appearance of your product. Features: Designed for hexagon shaped bolt and nut. Improving the finished appearance of the product. Protect from airing and tampering. Upgrade finished nuts and bolt heads. Easy to install and disassemble. Specification: Optional Model: M6, M8, M10, M12 Material: Plastic Dimensions: As shown in the pictures. (approx.)Size: Edge Width (W) Overall Height (H) Height (E) Outer Diameter (D) Wrench (Sleeve) SizeM6 10mm (0.03 inch) 13mm (0.05 inch) 6mm (0.02 inch) 12.5mm (0.04 inch) 10mmM8 13mm(0.05in) 15mm(0.05in) 8.5mm(0.03in) 17mm(0.06in) 12mm, 13mm, 14mmM10 17mm (0.06 inch) 19.5mm (0.07 inch) 9mm (0.03 inch) 21mm (0.08 inch) 16mm, 17mmM12 19mm (0.07 inch) 22mm (0.08 inch) 12mm (0.04 inch) 24mm (0.09 inch) 18mm, 19mm Color: Black Quantity: 1 Pack (10pcs)Note: Transition: 1cm=10mm=0.39 inch No retail package. Please allow 1-3mm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 1 Pack (10pcs) x Bolt Nuts Cap (Other accessories shown in the picture are not included.)