Testite Mechanical Wing Nut Expanding Pipe Plug 150 mm 300 Piece Metric Assorted Lock Washers including high-quality stainless steel helical

including high-quality stainless steel helical inserts

D 3/8" × Flare O

Designed for precision countersinking

5mm to 8mm square

M8 - 50mm - 10 PCS

Testite Mechanical Wing Nut Expanding Pipe Plug 150 mm 300 Piece Metric Assorted Lock Washers including high-quality stainless steel helicalMechanical Wing Nut Test Plug 150 mm The Test Tite Metal Mechanical Wing Nut Test Plug is a reliable and cost effective solution for testing standard DWV (drain, waste, and vent) piping. Designed for plugging open ended pipe for the purpose of blocking or testing the system, this DWV test plug features a stamped metal plate at the top and bottom of the plug and a neoprene gasket to create an air and watertight seal. The wing nut design allows the test