Incorporating an o-ring seal, this cable thru-hull is the easiest and cleanest way to route your cable without having to goop it up with tons of silicone. 3/8" ID Seal Bushing. 1/2" ID on external nut. 15/32" ID on internal hole in base. Fits 33C Cables.
1/2" O.D. Clamshell Cover for Hose, 2" long x 2-1/16" wide, 5/8" thick
The hole spacing on this item is1.6" center to center on the bottom holes and 1-1/2" Center to center on the top to bottom holes. Triangular bolt pattern.