https://www.ahwllc.com/
Features may include:
Reversible cutting edge for longer wear lifeAll Frontier RB Series Rear Blade cutting edges are reversible, featuring bevels on both edges to give the blade twice the work life.
Hydraulic cylinder changes blade direction while on the moveThe hydraulic cylinder on the Frontierâ„¢ RB21H Series Rear Blades makes it possible to adjust the angle of the blade in either direction while on the go.
Move hitch pin to allow blade radius to turn 180 degreesThe hitch pin connecting the cylinder to the blade can be removed and moved to the opposite side, allowing the blade to turn 180 degrees.