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[Highly Compatible] Universal with screws and bolts of same sizes and feature solid bearing surface to prevent nut/bolt head from tearing through material.
[Durable Construction] Copper material to withstand use in automotive and electrical connection on household application with tighter seal.
[Preventing Dispersion and Loosening] Smooth surface can reduce friction between fasteners, preventing isolates, loosening and dispersion pressure.
[Dimension] M16 x 21.5mm x 1mm/0.63''x0.85''x0.04''(ID*OD*T)
[Package Content] 10 x Copper Washer
Description: Copper used washers feature abrasion,temperaure and pressure resistancy. Function:Seal the sump plug nut to the sump tightly. Great for sump plugs, water, fuel and hydraulic fittings. Application: Automobile, Pump, Electrical Appliances, Doors and Windows, Bearings,etc. Size:16x21.5x1mm/0.63''x0.85''x0.04''(ID*OD*T) Package Content: 10 x Copper Washer