JPZHSP-6The T-H Marine Supplies JPZHSP-6 is a 6" Improved Hole Shot Plate for Z-Lock Jack Plate. It attaches to Z-Lock jack plates. This plate provides an 18 to 20 percent enhancement in hole shot. It reduces time out of the hole by 2 to 3 seconds. The plate minimizes water drag during take-off and acts as a center trim tab.