The Makita SDS-MAX, 3" x 12" Scaling 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 751230-A is ideal for removing surface material and for chipping. The SDS-MAX, 3" x 12" Scaling Chisel is clear-coat engineered to prevent corrosion for a longer bit life.