The Makita 1-1/8 in., 5-1/2 in. Clay Spadeis manufactured using state-of-the-art technology, CNC machined and forged from industrial-grade alloy material for increased durability. Shot peened for added strength and increased surface hardness, the 751622-A is ideal for removing hard dirt, clay and loose concrete from the ground. The 1-1/8 in., 5-1/2 in. Clay Spade is clear-coat engineered to prevent corrosion for a longer bit life.