200 Pcs Copper Washers Assorted, Flat Kit, 9 Sizes Sealing Ring Assortment Set, Plain with Storage Box(M5 M6 M8 M10 M12 M14)

【Outstanding Material】Our copper washers assorted kit is made of high-quality copper material, which has good electrical conductivity, thermal conductivity, 1083℃ melting point and durable for daily use and can be used repeatedly. 【Easy to Use】The copper sealing washers are very easy to install, the flat copper washer's surface are smooth can reduces friction between the fasteners, prevents leakage, isolates, prevents loosening or dispersion pressure. 【Easy to Storage】These sealing washers are designed with a storage box, which make sump plug washers safer and more convenient to store, easy to carry, and keep well classification. This design will improve work efficiency. 【Wide Application】The copper o ring kit is great for water, sump plugs, fuel and hydraulic fittings. The sump plug washer kit is perfect for electrical connections on household and commercial appliances, automotive and marine uses. The ring washers are really great tools. 【What You Will Get】The copper pipe washers kit includes 30 pcs M5*9*1, 30 pcs M6*10*1, 20 pcs M6*12*1, 20 pcs M8*12*1, 20 pcs M8*14*1, 20 pcs M10*14*1, 20 pcs M12*16*1, 20 pcs M12*18*1.5, 20 pcs M14*18*1, which is enough for your daily use.