The Original - produced since 1980 T-H Marine revolutionized recreational boating with this first-to-the-market, full production jack plate. The Hi-Jacker™ Jack Plate is the most recognized brand name in the industry from the company that pioneered the product. This plate is constructed of tough 3/8" aircraft aluminum and features a design that allows full tilt with dual steering. Natural aluminum finish resists corrosion. All bolts are stainless steel with brass nuts to prevent galling. Fits all V-4 and V-6 engines up to a maximum of 150 Horsepower. Provides four (4) inches of setback and four (4) inches of vertical adjustment. Click here for installation instructions • 3/8” Aluminum – Two Piece Design • Natural Aluminum Finish • Dual Stainless Steel Adjustment Rods • Maximum 150hP Outboards • 4” Setback – 4” Vertical Lift OEM/Bulk Product Name Distributor Packaged JP-1A-DP HI-JACKER™ Jack Plates - Aluminum JP-1A-DP Packaging: One unit per box - open quantity