200Pcs 9 Sizes Copper Washer Gasket Set Flat O-Ring Seal Assortment Kits M5-M14
M14 18 1 20pcs. 200PCS Copper Washers. M5 9 1 30pcs. This product is suitable for sink plugs, water, fuel and hydraulic accessories, etc. High-quality copper material, good electrical and thermal conductivity.