The Super-Sized RevolutionX Blade is 15.5" Tall and Made in the USA Rotate the blade from bottom to top for twice the useful life. All MANPLOW U Handles are pre-drilled for the MANPLOW Grab Bar Wide blade means fewer passes. Save time! DURABLE, not disposable; Expect years of service. RevolutionX Blades are 15.5" tall and designed so that when the bottom edge wears down. The blade can rotate, top to bottom for twice the useful life. MANPLOW's have the reputation for being extremely long lasting and durable AND now they will last TWICE as long! The RevolutionX Blade is designed to slice cleanly into deep snow. Its tall blade allows you to redistribute more snow and get the job done faster. The RevolutionX blade is made from nearly 1/4 inch High Density Polyethylene, the same material as kitchen cutting boards. RevolutionX Blades are replaceable.