Amarine-made Heavy Duty Aluminium Marine Outboard Auxiliary Boat Motor Bracket 7.5hp-20hp - 07953aa Retractable bracket for trolling auxiliary motors on power and sailboats with ease, Heavy duty with reinforced welded frame and stamped stainless components Suits 2-stroke motors 7 1/2 - 20 HP, with a maximum weight of 52kg (115lbs), Ideal for small to medium sized powerboats and yachts Spring loaded (5 vertical position) adjustable bracket, Wide track body for added stability Heavy duty, lightweight marine grade anodised aluminium frame, stainless steel springs Solid polypropylene mounting board. Easy to lift and lower  heavy duty springs help counterbalance motor weight