Copper Metal Washers, Gaskets Sealing Ring, Flat Washers, O-Ring With Box For Sealing - 200 pcs/M5 M6 M8 M10 M12 M14 Tool - Clamp 5 x 4 inches

5 x 4 inches

*Fits for 28/400 thread standard for most liquid pumps

please tighten them

Customizable Size: Can be trimmed to fit any window (20cm round default size)

also portable for you to carry and store due to light weight

Copper Metal Washers, Gaskets Sealing Ring, Flat Washers, O-Ring With Box For Sealing - 200 pcs/M5 M6 M8 M10 M12 M14 Tool - Clamp 5 x 4 inchesOutstanding Material Our metal washers are made of high quality copper, which has good electrical conductivity, thermal conductivity, melting point 1083 and durable for daily use and can be used repeatedly. Easy to Use The O rings are very easy to install, the surface of the copper flat washer is smooth, reduces friction between fasteners, prevents leakage, insulates, prevents loosening or pressure leakage. Easy to Store These copper flat washers are