Rope cutter for boat propeller shaft
RAZOR The Evolution Company, Inc.

The simplest way to keep your propeller and shaft free from fouling ropes and submerged debris, the Shaft Razor Cutter has been tested and marketed in Europe for several years and is now available through The Evolution Company Inc. The Shaft Razor Cutter can be installed where there is little space on the shaft
The Shaft Razor Cutter consists of a machined circular blade manufactured from a high grade of stainless steel (316L) with a sharp serrated cutting edge. It is accurately machined to the shaft diameter and kept securely in place by set screws to the shaft. Once installed, the Shaft Razor Cutter rotates with the shaft and gently cuts anything that becomes entangled on the shaft/propeller. installation consists of simply removing the propeller and sliding the Shaft Razor Cutter onto the shaft and tightening the set-screws.
The Shaft Razor Cutter can be installed where there is little space on the shaft.