WNP2 WING NUT TEST PLUG 2 IPS83592 (Cat. 12) (END OF PIPE)Test Plug Item Test Plug Type Wing Nut Drain Line Diameter 2 Inch Material ABS Plastic Operation Type Mechanical Allowable Test Back Pressure 5 PSI Air Allowable Pressure Head 40 Foot Water Inclusions Features Steel Plated Screw, Zinc Nut, Neoprene Gasket Application DWV Pipe Testing Pipe Diameter 1.9 to 2.17 Inch