GROCO Thru-Hull Installation Tool [THT-530] Brand_Forespar Performance Products UPC: 024099107976

UPC: 024099107976

Box Dimensions: 3"H x 5"W x 99"L WT: 16 lbs

Stainless Steel Cup Insert

Box Dimensions: 19"H x 19"W x 26"L WT: 65 lbs

GROCO Thru-Hull Installation Tool [THT-530] Brand_Forespar Performance Products UPC: 024099107976Thru 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