Molded plastic with broad flange. Per ABYC "Safety Standards for Small Craft".
Not recommended for use below the waterline.
Flange : 1-5/8"Max
Hull Thickness : 1-1/4"
Not recommended for use below the waterline.
Flange : 1-5/8"Max
Hull Thickness : 1-1/4"
Tags: Thru-Hull Connector With Broad Flange