DEWALT SDS Max Bit for Rotary Hammer, 1-1/8-Inch x 10-Inch x 15-Inch, 4-Cutter.

Extreme durability: IRON BLAST TECHNOLOGY of the SDS max bits strengthens the bit

2X longer life: DEWALT SDS hammer drill bits have a full carbide head in 4 cutter design

Stands up to rebar strikes: Redesigned head geometry to withstand rebar strikes

Wear mark indicator: For accurate diameter of holes