Product Name : Insulating WashersMaterial : FiberUsed for motherboard to prevent electrical short from metal to metal contact.Fit for mother board standoff to use with 3mm (3/25 inch) screw.Color : RedInner Diameter (Approx.) : 3mm / 3/25 inchOutside Diameter (Approx.) : 8mm / 5/16 inchThickness (Approx.) : 0.7mm / 1/32 inchWeight : 10gPackage Content :400 (+/- 2%) x Insulating WashersOnly the above package content, other products are not included.Note: Light shooting 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.
