GROCO Thru-Hull Installation Tool 2X-Large Tall charge phase

charge phase

Mounting: Clearance for 3/8" [M10] stud

Low amp draw means long battery life

Includes a mounting gasket and a sheet of 20 preprinted decals to customize to your specific application

GROCO Thru-Hull Installation Tool 2X-Large Tall charge phaseThru 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