20pcs 12mm x 18mm x 1.5mm Copper Flat Washer Ring Sealing Fitting

for Automotive and Small Engine Repairs. made from copper are often used within piping electronics household products and applications as copper is malleable and ductile - a biostatic surface that is a good conductor of heat and when pure a good conductor of electricity. Copper Provides a Tighter Seal and Greater Heat Endurance than Steel and Rubber . These obviously have industrial uses we also sell to weavers artisans who make wall hangings a lady who uses to macrame hanging baskets etc. Package Contents: 20 x Copper Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.