Screws & Nuts Assortment Kit - TOOGOO(R) 150Pcs M2 M2.5 M3 M4 M5 Nylon Hex Screw Bolt Nut Standoff Spacer Assortment Kit Black Nylon M2 ~ M5 SEM Phillips Pan Head Screws and Nuts Assortment Kit. There are 5 types SEM Phillips Pan Head Screws Nuts, total 150pcs in a box. Material: Nylon Color: Black Packed in a plastic box