500 Pcs Motherboard Flat Nylon Washers White 8mm x 4mm x 1mm Product Name : Insulator Nylon Washers;Material : Nylon Inner Diameter (Approx.) : 4mm / 5/32";Outside Diameter (Approx.) : 8mm / 5/16" Thickness (Approx.) : 1mm / 5/128";Color : White Weight : 18g Package Content : 500 Pcs(+/-2%) xInsulator Nylon Washers