Fits virtually all twist-grip outboard motors. Handi-Mate® extends handle from 30″ to 47″ (.76 to 1.19 meters). Does not affect throttle tension adjustment. Depress button & align proper hole for desired length. Non-slip comfort grip, access hole for kill button, and turn-locking knob makes securing and removing easy. Anodized aluminum, no parts to rust or corrode.