Adjustable, heavy duty outboard motor brackets are built to handle the increased torque of today's motors. They will handle 4-stroke motors up to 15hp or 2-stroke motors up to 20hp. Features Twist-knob safety locks, heavy-duty stainless steel torsion springs for easy lifting, and stainless steel hardware. The 2" thick, extra wide, maintenance free polypropylene mounting board will handle just about any motor. Multi-position lock bar allows for installation flexibility for either long or short shaft motors. Max Load 132 lb. Rating 15 hp Vertical Travel 10"-4 Positions Type Aluminum