Rupp Marine Halyard Line Tensioner Thru Gunwale/Fairlead - 2.875" ADDOAR3 This is the same technology

This is the same technology from the same manufacturer which is successfully employed to protect commercial broadcast and television towers from direct lightning strikes

Size (inches): 1/16" x 1 1/2"

It’s great for solo adventures or sharing the fun with a friend

G: (inch) 1 57/64" / (mm) 48

It's perfect to use on all fiberglass

Rupp Marine Halyard Line Tensioner Thru Gunwale/Fairlead - 2.875" ADDOAR3 This is the same technologyHalyard Line Tensioner Thru Gunwale Fairlead 2. 875" This Halyard Line Tensioner is a stainless steel fairlead tube that attaches to a stainless mounting bracket that has a jam cleat attached. This allows for an easy installation in the gunwale. The fairlead tubes are available in lengths of 2. 875 or 3. 875, please select the appropriate option. Sold each.