Features TOTAL 270 PCS KIT: M2/M2.5/M3/M4/M5 Nylon Screw Nut Washer Assortment Kit. NYLON MATERIAL:All Nylon Washer Fasteners are made of durable nylon, Strong, anticorrosive, compact and portable DIFFERENT SIZE: There are 270pcs parts to meet your different needs, suitable for long term use. BOLTS AND NUTS:Precision threads can easily tighten and loose, easy to use.No barbs or clean up needed before use. Well packed and assorted in a resealable transparent box for convenient storage and carry. Specification:Item Type: Nylon Screw Nut Washer KitMaterial: Plastic Nylon Optional Color: Black, White 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 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 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