Prop Master Propeller WrenchThe Prop Master(TM) is the original molded propeller wrench.This 1-1/16" six point socket style prop wrench is made of high tensile strength, indestructible nylon. It is totally resistant to fuel, sun, salt water, and other chemicals. The Prop Master(TM) is less expensive than metal wrenches which rattle and can cause damage to your boat. However, it has plenty of brawn to get the job done. The Prop Master(TM) will tighten all 1 1/16" propeller nuts without slipping or stripping. (OMC, Johnson and Evinrude, - over 40 HP, Mercury - over 50 HP) High visibility color makes it easy to locate in dark boat compartments. The Prop Master(TM) also has a 9/16" garboard drain plug socket on the reverse side. Will not corrode in the salt water environment.Features: Fits All 1-1/16" Prop Nuts (40hp & up) Rugged Nylon Resists Stripping 9/16" Garboard Drain Socket on Back Non-Corrosive in Salt Environment High Visibility Yellow makes wrench easy to find WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Pitch: N/A Material: Polymer Diameter (Inches): 0.6875 Box Dimensions: 2"H x 6"W x 16"L WT: 0.6 lbs UPC: 733572020007