Features 1、M2/M2.5/M3/M4/M5 Nylon Screw Nut Washer Assortment Kit. 2、Nylon material, high toughness, reliable quality, long service life. 3、There are 270pcs parts to meet your different needs, suitable for long term use. 4、Precision threads can easily tighten and loose, easy to use. 5、Well packed and assorted in a resealable transparent box for convenient storage and carry. Specification Item Type: Nylon Screw Nut Washer Kit Material: Plastic Nylon Quantity: 270PCS Model: M2, M2.5, M3, M4, M5 20 x M2 Screws 20 x M2 Washer 10 x M2 x 4mm Nut 10 x M2 x 10mm Nut 20 x M2.5 Screws 20 x M2.5 Washer 10 x M2.5x6mm Nut 10 x M2.5x12mm Nut 20 x M3 Screws 20 x M3 Washer 10 x M3 x 6mm Nut 10 x M3 x 12mm Nut 20 x M4 Screws 20 x M4 Washer 10 x M4 x 8mm Nut 10 x M4 x 15mm Nut 10 x M5 Screws 10 x M5 Washer 5 x M5 x 10mm Nut 5 x M5 x 20mm Nut Package List 20 x M2 Screws 20 x M2 Washer 10 x M2 x 4mm Nut 10 x M2 x 10mm Nut 20 x M2.5 Screws 20 x M2.5 Washer 10 x M2.5x6mm Nut 10 x M2.5x 12mm Nut 20 x M3 Screws 20 x M3 Washer 10 x M3 x 6mm Nut 10 x M3 x 12mm Nut 20 x M4 Screws 20 x M4 Washer 10 x M4 x 8mm Nut 10 x M4 x 15mm Nut 10 x M5 Screws 10 x M5 Washer 5 x M5 x 10mm Nut 5 x M5 x 20mm Nut