The Ozark Trail 1 and 1/16 Prop Wrench an essential to have with you on your boat. SAE 1 and 1/16 and 9/16 Dual Wrench has standard 6-points. The wrench s nylon construction is durable and corrosion resistant allowing it to withstand any salt environment. The wrench can be used to tighten and remove propeller nuts as well as garboard-style drain plugs. The high visibility color makes it easy to locate in dark boat compartments. The prop wrench also has a 9/16 garboard drain plug socket on the back side. Always be prepared for any boating adventure with the Ozark Trail 1 and 1/16 Prop Wrench.