The WBH IS A VERY WIDE BLADE PROP. THIS GREATER SURFACE ARE IS GOOD FOR HEAVY LOAD PUSHING. IDEAL FOR PONTOONS AND WORK BOATS.2 & 4 Stroke 45-130 HP 4 1/4" GearcaseThru Hub Exhaust 13 Tooth SplineRubber Hub Bushing Included40HP E-TEC '04~50HP E-TEC...