Stainless Steel Test Plug Product Item:HK-400 Material: Stainless Steel Size: 1/4"NPT Core material: Neoprene Max. Pressure: 1000 psi Test Plug , Stainless Steel Test Point , Stainless Steel Test Plug , Pressure and Temperature Test Plug , 14in npt Test Plug , Neoprene Core Test Plug Inquiry Send Email PDF