Heavy-duty & reversible for primary tillage. These chisels are built larger with thick profiles to get deep and churn up even the toughest soil layers. Chisels are put through aggressive work-loads and McKay chisel are built for the task. Like all of our tools, they are crafted from durable, hard steel, heat-treated and carefully checked for quality. They’ve been a trusted name in the field for decades and our farmers know they’ll fit right and work well every time.