Screw Action Expanding Drain Plug BU72SS

BU72SS
Screw Action Expanding Drain Plug
Made of stainless steel and neoprene rubber.
Rubber expands to fill hole (1") in transom. 
Turn the "T" handle to expand the rubber.

Alternative to lever action type (BU71SS) where space is limited or a more secure seal is required.

Other applications: Used to plug the drain hole in cattle and sheep concrete water troughs