packed in a plastic box, good for storage and difficult to be Nylon has the characteristics of Non-Magnetic, thermal insulation, corrosion resistant Application in electronics, computers, PC board, DIY hobby Never rust, beautiful, practical, durable and convenient for using Widely apply to computer, circuit board, mould Thread: (3mm) Colour:Black Material:nylon Package Contents: 60 * Nuts 20 * Hex Spacers 20 * Screws M3x6mm 20 * Screws M3x12mm 20 * Screws M3x20mm 15 * Male-Female (6mm+6mm) 15 * Male-Female (10mm+6mm) 15 * Male-Female (15mm+6mm) 15 * Male-Female (20mm+6mm) 15 * Female-Female 6mm 15 * Female-Female 10mm 15 * Female-Female 15mm 15 * Female-Female 20mm Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.