GROCO Thru-Hull Installation Tool [THT-530] Lighting | Navigation Lights and ultraviolet radiation

and ultraviolet radiation

Box Dimensions: 5"H x 15"W x 26"L WT: 23 lbs

A pistol grip release allows for quick

Large screen with intuitive user interface

There is nothing to do inside the boat - only the mounting of two actuators and two tabs at the transom

GROCO Thru-Hull Installation Tool [THT-530] Lighting | Navigation Lights and ultraviolet radiationThru 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