The 4 Hole transom mounted pintle is one of the most common and used transom fittings around. The fitting has 4 5mm countersunk fixing holes for attaching to the back of the boat. The pin is made from 316 stainless steel and has a drop nose end that can be locked to keep your rudder or rudderstock attached safely to the back of the boat. it is made to fit snugly with our gudgeon ranges. Packing pieces are available to increase the distance that the fitting sits off the back of the boat. The part number for this is 18.54