1-1/2" End of Pipe Gripper Plug (17 PSI).

Features:

Plug is rated for 17 PSI or 40 ft. of head pressure

Extra large zinc wing nut for ease of tightening, no wrench required

Natural rubber O-ring for excellent expansion and memory

ABS glass-reinforced plates for added strength

Zinc-Plated carriage bolt resists rust and corrosion