uxcell 3mmx7mmx1mm Fiber Insulating Pad Fastening Washers Red 100pcs Country of Manufacture: CHINA; Material: Fiber Net Weight: 6g; Package Content: 100Pcs(+/-2%) x Insulating Washer Main Color: Red; Inner Diameter (Approx.): 3mm/0.12" Outer Diameter (Approx.): 7mm/0.28"; Thickness (Approx.): 1mm/0.04" Product Name: Insulating Washer