About this item

• 280PCS Copper Washer Assortment Set: Perfect for Electrical Connections in Household and Commercial Appliances, Automotive and Marine Uses

• High Quality Material: These Flat Washers Made of Copper, Good Electrical Conductivity and Thermal Conductivity, Which Have a Tighter Seal and Higher Heat Resistance than Steel and Rubber Washers

• 12 Sizes of Copper Metric Sealing Washers: Including 12 Metric Sizes: M5*9*1mm, M6*10*1mm, M6*12*1mm, M8*12*1mm, M8*14*1mm, M10*14*1mm, M12*16*1mm, M12*18*1.5mm, M14*18*1mm, M16*20*1.5mm, M16*22*1.5mm, M20*26*1.5mm, Widely Meet Your Various Home DIY Demands

• Easy to Use: They are Very Easy to Install, The Washer's Surface are Smooth can Reduces Friction between the Fasteners, Prevents Leakage, Isolates, Prevents Loosening or Dispersion Pressure

• Included with Plastic Box: Well Sorted and Packed in a Plastic Box, It's Easy for You to Storage and Carry it Anywhere, It's Very Convenient for You to Use