The 2 Hole transom mounted gudgeon is one of the most common and used transom fittings around. This fitting is designed to be used with Sea Sure Transom Pintles. Packing pieces are available to increase the distance that the fitting sits off the back of the boat. The part number for this is 18.52
Hole Diameter : 8-10mm
Mounting Hole Size : 5mm to 6mm