AEDIKO 200pcs Copper Washer Set - Metric Sealing Washers M5-M14

9 Metric Sizes:M5*9*1mm, M6*10*1mm，M6*12*1mm，M8*12*1mm，M8*14*1mm, M10*14*1mm，M12*16*1mm,M14*18 *1mm, M12*18*1.5mm High Quality: Flat Washer Made of High Quality Red Copper, Provides High Temperature Resistance, High Conductivity and Tighter Seal; Works Great In Wet Environment Features: Flat Washer Good to Reduce Pressure and Friction, Prevent Leakage, Isolate, Loosening or Disperse Pressure. Great for Sump Plugs, Water, Fuel and Hydraulic Fittings Application: Flat Washer Assortment Kit Widely Used for Electrical Connection, Such As Household, Commercial Appliances, Automotive and Marine, Fuel, Hydraulic Fittings etc. Package Contents: 200pcs, 9 Sizes of the Most Commonly Used Flat Copper Washers in a Sturdy Case With Specification Label, Easy for Your Storage and Use!