Coach Bolt raised head Square underneath Silicon Bronze Size:3/8 x 4" (25406N) One pair left in stock:

One pair left in stock: Men's Size 8 UK

Inside they have taper as in the photo

Connector rod from rudder to sensor bar is necessary and because this distance is always variable for every boat

(USA thread)  so the corresponding NPT thread hose tails must be used (search on aqualarm hose tails on this website)

Supplied with vented filler cap and 1⁄4" internal threaded fuel tank pick-up

Coach Bolt raised head Square underneath Silicon Bronze Size:3/8 x 4" (25406N) One pair left in stock:A domed head bolt under which is a square then forming into a conventional bolt. Made of Silicon Bronze All thread on these units is UNC (similar to BSW but not on 1 2".