Z-Lock Jack Plate Revolutionary Design Adds Strength and Stability The excellence of T-H Marine's HI-JACKER™ jack plate series continues with the Z-Lock Manual Jack Plate design upgrade. Contact your boat manufacturer or local dealer for setback recommendation for your particular boat and also the affects adding a jack plate can have on your boat” Z-Lock™ Jack Plate Design Eliminates Side Slippage Matching slotted extrusions LOCK side plates in place Strong Aircraft Grade Aluminum Full ½” Material For Strength Handles All V6 and V8 Outboards up to 300 hp Easy to Adjust From Top of Jack Available in 4", 6", 8", 10" and 12" setbacks 5" of Vertical Adjustment OEM/Bulk Product Name Distributor Packaged JPZ-4-DP Z-Lock™ Jack Plate - 4" Setback JPZ-4-DP JPZ-6-DP Z-Lock™ Jack Plate - 6" Setback JPZ-6-DP JPZ-8-DP Z-Lock™ Jack Plate - 8" Setback JPZ-8-DP JPZ-10-DP Z-Lock™ Jack Plate - 10" Setback JPZ-10-DP JPZ-12-DP Z-Lock™ Jack Plate - 12" Setback JPZ-12-DP
