PACKAGE INCLUDE】: Hex nut: 88 x M2; 88 x M2.5; 80 x M3; 65 x M4; 25 x M5; 30 x M6;14 x M8. Nylon-insert hex nut: 30 x M3; 25 x M4; 25 x M5; 25 x M6; 10 x M8; 9 x M10; 6 x M12. 1 x tweezers. 1 x transparent storage box. 【NYLON-INSERT HEX NUT】: Nylon insert prevents loosening and holds nut firm during vibration. 【HIGH-QUALITY】: Made of nylon and stainless steel, durable, sturdy, waterproof, rust-resistant. The nylon helps the lock nut to lock tighter and resist loosening. 【EASY TO USE】: There is a tweezers and a transparent storage box that convenient to take nuts and easy to carry and store. 【WIDE APLICATION】: Suitable for folding beds, wardrobes, miners, engines, textile machinery, Quantity: 520 pieces Note: It does not include other things, the color is based on the first picture, and the other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation.