Feature:1. Fiber used for motherboard to prevent electrical short from metal to metal contact.2.Fit for mother board standoff to use with 3mm (3/25 inch) screw.3.Washers are normally used to distribute loads of threaded bolts, screws and nuts evenly as the fastener is tightened.4.Intended for the general use under the head of a bolt or nut in order to provide a smooth-bearing surface. Specifications:Product Name : Insulating Fiber WasherMaterial : FiberColor : RedInner Diameter (Approx.) : 4mm/0.16inchOutside Diameter (Approx.) : 10mm/0.4inchThickness (Approx.) : 1mm/0.04inch Package Content : 500 (+/- 2%) x Insulating Fiber Washer.
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