1,Made of high‑quality ABS plastic material, and these insulation spacers are insulated for safe operation. 2,Adopt sophisticated production technology, these insulation spacers are strong, durable, not easy to wear, and have a long service life. 3,10 kinds of lengths are available to choose from, which can meet different needs and are suitable for use with M3 screws. 4,Has a wide range of uses and can be used in various equipment and places that require insulation protection. 5,Easy to store, easy to carry, can be carried around, easy to install, faster to use, and easy to operate. Item Type: Insulation Spacers Material: ABS Plastic Shape: Cylindrical Length: Approx. 3mm 4mm 5mm 6mm 8mm 10mm 12mm 15mm 18mm 20mm Use: Suitable for M3 Screws 100 x Insulation Spacers (10 Lengths, Each 10pcs) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.