Attwood Corporation 3877-3 Thru-Hull Connector
Thru-Hull Connector consists of thru-hulls are ideal for tight installations, such as live-well overflow drains.  Polypropylene construction. 90 Degree 0176 3/4 inch White package  Accommodates 7533A ( 1/2 inch) bailer plug.  Maximum Hull Thickness 1 inch & Flange Diameter 1-1/2 inch. Installation Hole Size 1 inch.