Discovery Bay UHMW Sleeved Flush Gunnel or Base Mount 3" x 6". 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. Mounting plate is 3 in. x 6 in. 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.