<p>High Quality Stainless Steel & Nylon: The hex lock nuts made of high quality nylon and A2-70 stainless steel, which makes them sturdy, waterproof and rust resistant. The nylon insert helps the nut lock tighter and solve loosening.</p> <p>More Sizes for Choosing: Equipped with 8 sizes Cocknut to meet more needs, which is more fully equipped tn most other lock kits, including M3 M4 M5 M6 M8 M12 M12.</p> <p>Durable Assortment Box: Individual organizer compartments are designed for easy storage. The all-round transparent box makes it easy to see the items inside even when stacked. Very strong and will not open during delivery.</p> <p>Multiple Usage: The lock nuts can be used to screw bolts, as well as threaded rods and cap screws. Ideal for daily installation or fixing of furniture, motors, automobiles, motorcycles, etc.</p> <p>Specification:</p> <p>Color: Silver</p> <p>Material: Stainless Steel</p> <p>Size: M3, m4, m5, m6, m8, m10, m12</p> <p>Quantity x Diameter</p> <p>45 pcs x m3</p> <p>35 pcs x m4</p> <p>< p> 30 pcs x m5</p> <p>30 pcs x m6</p> <p>15 pcs x m8</p> <p>10 pcs x m10</p> <p>5 pcs x m12</p> <p>Note: It does not include other things, the color is based on the first picture, and the other pictures only show the effect</p> <p>Due to the differences between different monitors, the picture may not reflect the actual color of the item. .</p> <p>due to manual measurement. Please allow the deviation. Tnk you!</p> <p>Good quality product</p>