Product_description: ['For maximum performance and ease of use, the Pro Hi-Jacker? offers quick and easy adjustment of plate height with the turn of one bolt from the top side of the jack plate. This jack plate offers a one-piece mounting surface that completely supports stern brackets and covers requirements of OMC Service Bulletin No. 2281. This plate is polish finished for superior appearance and corrosion resistance. Plates are constructed of aircraft quality aluminum with stainless steel and brass hardware. Fits all V-4 and V-6 outboards. Provides 4" of vertical adjustment.', 'New Pro Hi-jacker Manual Jack Plate t-h Marine Jp6pwdp Setback 6" : Constructed of 3/8" high-strength aluminum with a one-piece design with locking bars and a top adjust screw for one wrench adjustment. Maximum 175 hp. 6" setback 4" vertical adjustment.'] (Page 1)