VALUE PACKAGING AND EASY TO USE - This Nylon Insert Hex Stainless Locknuts package contains 50Pcs , They are ideal for use at home, in the office or at work. Product Size - Hole Diameter: M6-1mm"; Nuts height: 0.236"; Hex Drive Size: 10mm. Please check specfication by picture 2 RUGGED AND DURABLE - SG TZH Locknuts made of high-quality 18-8(304)Stainless Steel，which has higher corrosion resistance and anti-rust effect than ordinary nuts, longer service life, not easy to damage, more solid. Will NOT COME LOOSE - With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque. INTIMATE SERVICE - SG TZH focus on customer satisfaction, if you have any questions or are not satisfied, you can contact us by email, we will solve all your problems as soon as possible. 1