Discovery Bay Marine Gear, UHMW Sleeved Gunnel Mount, 3" x 6" mounting plate. For all Power Hauler and other schedule 40/80 1-1/2" davits with OD of 1.94". These unique brackets prevent galling and provide smoother movement of the davit. The tube is pre-drilled to allow the davit to be locked into position using 3/8" wire lock, ball detent, or other style hitch pin.