[ High quality ] The circular nylon outlet Spacers has good insulation performance, flame retardant performance, exquisite craftsmanship, good temperature resistance, oil resistance, resistance, tear resistance, and long service life. [14 sizes] M3-OD 7mm, ID 3mm; -OD 7mm, ID 4mm-80 pieces 3x7x5; 50 pieces 3x7x5; 40 pieces 3x7x6; 35 pieces 3x7x8; 25 pieces 3x7x10; 20 pieces 3x7x12; 20 pieces 3x7x15; 80 pieces 4x7x3; 50 pieces 4x7x5; 40 pieces 4x7x6; 35 pieces 4x7x8; 25 pieces 4x7x10; 20 pieces 4x7x12; 30 pieces 4x7x15. A total of 550 pieces are suitable for most screws. [ Powerful ] These rubber gaskets are , rust , stable, and insulated. Simply measure the required length of the screw and select a suitable gasket shorter than the screw to make the board flush with the wall. [Easy to Story ]This product is packaged in a plastic box, , and has never been used. [Widely used:]Suitable for Micro-motors, automotive manufacturing components, electronic products, instruments, machinery, stationery, automation equipment, toys, hardware accessories, etc., widely used to protect LEDs on circuit boards.<br><br>Color: Black Material: nylon<br><br>Package Contents: 80pcs spacers *7*3 80pcs spacers M3*7*3 50pcs spacers *7*5 50pcs spacers M3*7*5 30pcs spacers *7*15 20pcs spacers *7*12 25pcs spacers *7*10 35pcs spacers *7*8 40pcs spacers *7*6 20pcs spacers M3*7*15 20pcs spacers M3*7*12 25pcs spacers M3*7*10 35pcs spacers M3*7*8 40pcs spacers M3*7*6<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.