Groco Thru Hull Fittings Installation Tool Tiedowns Important: the cover screws onto

Important: the cover screws onto the ring

While stock last

rubber and vinyl boats and boat fenders

For stained areas

Exit blocks minimise friction in lines passing through the deck or exiting masts and booms

Groco Thru Hull Fittings Installation Tool Tiedowns Important: the cover screws ontoGroco THT 530 Thru Hull Fittings Installation Tool 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 mono filament 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 and against the hull from