100% brand new and high quality Feature: Made of high-quality materials, anti-rust, anti-corrosion and durable to use. Fine workmanship, smooth surface and has wide application. The thread pattern is neat and clear, and the force is even and it is not easy to slip the thread. Smooth hole position without burrs, no damage to your hands. M5/M6/M8/M10 types optional to meet your different needs. Widely used in mechanical equipment, large equipment, household tools and so on. Specifications: Item Type: Hand Tightening Nuts Material: Plastic+Copper Size: M5: 32mm/1.2in, M6: 32mm/1.2in, M8: 38mm/1.4in, M10: 38mm/1.4in Color: Black Optional Type: M5/M6/M8/M10 Quantity: 10PCS Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 10 x Hand Tightening Nuts