Quick view GROCO Thru-Hull Installation Tool - P/N THT-530 GROCO $195.00 Thru-Hull Installation Tool Thru Hull Installation ToolThe 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... Compare Add to Cart Wish list
