Groco Thru-Hull Installation Tool PHWASH3 and secondly it gives added

and secondly it gives added protection to the impeller during initial prime

Features SailAssist

Fits all Thunderbolt IV distributor

3-year Waterproof Warranty

Torque(ft/lb): 390

Groco Thru-Hull Installation Tool PHWASH3 and secondly it gives addedThru 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