Makita 751235-A 1.5" x 12" Scaling Chisel for SDS‑MAX 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 751235-A is ideal for removing surface material and for chipping. The SDS-MAX, 12 in. x 1-1/2 in. Scaling Chisel is clear-coat engineered to prevent corrosion for a longer bit life.