The 10 1/4 X 11 A3R PROP Michigan Wheel's high-performance aluminum propeller is equipped with the XHS/XHS II Xchangeable Hub System. The Vortex XHS/XHS II is an excellent choice for a replacement or spare propeller for boaters, thanks to its high-performance blade geometry, perfectly balanced blades, high gloss powder coat, and interchangeability with the Mercury Flo-Torq II system. They are suitable for aluminum consoles, ski boats, inflatables, walleye boats, offshore singles, pontoons, and family cruisers. Key features: This Michigan Wheel s geometry is a high-performance blade The XHS/XHS II Xchangeable Hub System is used - a hub kit is offered separately. Leading edges that are tapered reduce drag and allow for faster top-end speeds. The tip and cup of the blade enhance bite and decrease power loss in turns. Diameter: 10-1/2" x Pitch: 11" Right-Hand Rotation improved powder coating and stronger bushings Specifications: Manufacturer: Michigan Wheel Marine Brand: Michigan Wheel Marine Dimensions: 13.46 x 12.99 x 5.98 Exterior: Brushed Standard 3-Blade