Features 1、Made of premium metal material, high strength and good corrosion resistance. 2、Convenient to use, you can easily tighten or loosen these nuts. 3、Comes with a portable box for easy transport, storage and carrying. 4、Includes 15 different kinds of nuts and 300pcs in total, can meet different using needs. 5、Can be widely used on devices which require frequent dis-assembly maintenance. Specification Condition: 100% Brand New Item Type: Pressure Riveting Nut Model & Quantity: M2-1 20PCS M2-2 20PCS M2.5-1 20PCS M2.5-2 20PCS M3-0 20PCS M3-1 20PCS M3-2 20PCS M4-0 20PCS M4-1 20PCS M4-2 20PCS M4-3 20PCS M5-0 20PCS M5-1 20PCS M5-2 20PCS M5-3 20PCS Package List 20 x M2-1 Nut 20 x M2-2 Nut 20 x M2.5-1 Nut 20 x M2.5-2 Nut 20 x M3-0 Nut 20 x M3-1 Nut 20 x M3-2 Nut 20 x M4-0 Nut 20 x M4-1 Nut 20 x M4-2 Nut 20 x M4-3 Nut 20 x M5-0 Nut 20 x M5-1 Nut 20 x M5-2 Nut 20 x M5-3 Nut