Feature: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 KitMaterial: Plastic NylonQuantity: 270PCSModel: M2, M2.5, M3, M4, M520 x M2 Screws20 x M2 Washer10 x M2 x 4mm Nut10 x M2 x 10mm Nut20 x M2.5 Screws20 x M2.5 Washer10 x M2.5x6mm Nut10 x M2.5x12mm Nut20 x M3 Screws20 x M3 Washer10 x M3 x 6mm Nut10 x M3 x 12mm Nut20 x M4 Screws20 x M4 Washer10 x M4 x 8mm Nut10 x M4 x 15mm Nut10 x M5 Screws10 x M5 Washer5 x M5 x 10mm Nut5 x M5 x 20mm Nut.Package List:20 x M2 Screws20 x M2 Washer10 x M2 x 4mm Nut10 x M2 x 10mm Nut20 x M2.5 Screws20 x M2.5 Washer10 x M2.5x6mm Nut10 x M2.5x 12mm Nut20 x M3 Screws20 x M3 Washer10 x M3 x 6mm Nut10 x M3 x 12mm Nut20 x M4 Screws20 x M4 Washer10 x M4 x 8mm Nut10 x M4 x 15mm Nut10 x M5 Screws10 x M5 Washer5 x M5 x 10mm Nut5 x M5 x 20mm Nut