GROCO Thru-Hull Installation Tool [THT-530] Boat Outfitting | Radar/TV Mounts GO9 XSE Multi-function display with

GO9 XSE Multi-function display with built-in Echosounder

Includes all of the Aleutian Islands out to Attu Island

1/2" inner diameter thru-hull

projectile

Mount with an integrated speaker

GROCO Thru-Hull Installation Tool [THT-530] Boat Outfitting | Radar/TV Mounts GO9 XSE Multi-function display withThru 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