Custom PTFE Washers,100 Pcs,ID 4.2 - 5.5mm,Chemical Heat Resistant Shim,Low Friction Spacers,Non-stick Sealing Gasket for Valves

Custom PTFE Washers,100 Pcs,ID 4.2 - 5.5mm,Chemical Heat Resistant Shim,Low Friction Spacers,Non-stick Sealing Gasket for Valves

Aliexpress UK