GROCO Thru-Hull Installation Tool [THT-530] Brand_Forespar Performance Products or even control the trolling

or even control the trolling motor

Clear polycarbonate cover snaps on to meet Coast Guard and ABYC insulation requirements

Box Dimensions: 3"H x 5"W x 99"L WT: 16 lbs

UPC: 024099107976

Stainless Steel Cup Insert

GROCO Thru-Hull Installation Tool [THT-530] Brand_Forespar Performance Products or even control the trollingThru Hull Installation Tool Thru Hull Installation Tool The Concept: THT 530 makes the installation of standard GROCO thru hull fittings possible by a single installer. Slide the thru hull fitting, flanged end first, over the tool. (It will stop at the proper step.) Tie a length of monofilament to the eye and place it into the already cut hole in the hull of the boat. Apply caulking to the flange of the fitting, and pull the fitting through the hole