Specifications: Nylon M3 threaded male-female standoff, nut and screw assortment kit. There are 6 types of male-female standoffs, 60pcs nuts and 60pcs screws, totally 180pcs in a box. Application in electronics, computers, PC board, DIY hobby to replace the screw fasteners. Type: Spacer Screw Nut Assorted Kit Material: Nylon Quantity: 180 Pcs Screw Thread: M3(3mm), Thread Pitch: 0.5mm Assorted Kit List: Type Length(Size) Quantity Nuts M3 60Pcs Screws M3 x 6mm 60Pcs Spacers Male to Female 6mm + 6mm, M3 10Pcs Spacers Male to Female 8mm + 6mm, M3 10Pcs Spacers Male to Female 10mm + 6mm, M3 10Pcs Spacers Male to Female 12mm + 6mm, M3 10Pcs Spacers Male to Female 15mm + 6mm, M3 10Pcs Spacers Male to Female 20mm + 6mm, M3 10Pcs Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Set of Spacer Screw Nut Assorted Kit