The Makita Spline 2 in. x 12 in. Flat Chisel is 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 751234-A is ideal for breaking concrete off of or away from main sections. The Spline 2 in. x 12 in. Flat Chiselis clear-coat engineered to prevent corrosion for a longer bit life.