PMW-1-DPThe TH Marine Supplies PMW-1-DP Prop Master is a 1-1/16" six-point socket-style propeller wrench made from high tensile strength nylon, resistant to fuel, sunlight, saltwater, and chemicals. It can tighten 1-1/16" propeller nuts on OMC, Johnson, Evinrude (over 40 HP), and Mercury (over 50 HP) applications without slipping or stripping. The wrench also features a 9/16" garboard drain plug socket on the reverse side and is a high visibility color for easy identification. WARNING: This product can