and high quality Made of high-quality materials, durable, firm, and long service life High hardness, resistant to rust and deformation, anti-corrosion and anti-abrasion Five-star shaped head thread clamping screws, suitable for industrial use Available in various sizes and types (M6/M8), to meet different needs Clamping screws only; other accessories shown in the image are not included Item Type: Clamping Screws Material: Plastic + Metal Size: Optional Screw thread diameter: 6mm (0.2in), 8mm (0.3in) Length: 16mm (0.6in), 20mm (0.7in), 25mm (0.9in), 30mm (1.1in), 35mm (1.3in), 40mm (1.5in) Color: Black + Silver Optional Types: M6-16, M6-20, M6-25, M6-30, M6-35, M6-40, M8-16, M8-20, M8-25, M8-30, M8-35, M8-40 Quantity: 10 pcs No retail packaging Note: 1cm = 10mm = 0.39inch Allow 0-1cm error due to manual measurement; please confirm you are okay with this before purchasing Due to monitor differences, the image may not reflect the actual color of the item Package Includes: 10 x Clamping Screws