Shaft line cutter 1 in.

Shaft cutter is a serrated edged disc, machined from high quality type 316 stainless steel. The internal diameter is machined to fit the shaft diameter of your boat. Attached to your shaft, it rotates with the shaft, cutting anything that might become entangled around the shaft or propeller. By cutting through lines, nets or other underwater debris as soon as it catches, the Shaft Shark reduces potential damage to your drive train, shaft and prop. For 1'' shaft.