KING KUTTERS TRB SERIES REAR BLADES are constructed of durable 1/4" thick by 14" high moldboard specially formed to roll dirt and prevent drag. The cutting edge is made of high carbon steel and is sharpened on both edges for double use. The unique, reinforced, tubular frame provides additional strength for versatility. It has five forward and five reverse angular adjustments. Uses include road grading and maintenance, landscaping, snow removal, cleaning livestock pens and much more.