Diablo DMAMX1030 1/2" x 16" x 21" Rebar Demon™ SDS-Max 4-Cutter Full Carbide Head Hammer Drill Bit PSBC420EBQ and it has an Electronic

and it has an Electronic Motor Protection system to protect it from overload

(1) Compact 8IN1 Ratchet Multi Bit Driver (48-22-2320)

Non-Glare Black FinishHigh CarbonHeat Treated Tool Steel

The flame retardant 1000V layer of insulation on the handles provides maximum protection

Longer lasting sharpness from the unique hardpoint XT toothing

Diablo DMAMX1030 1/2" x 16" x 21" Rebar Demon™ SDS-Max 4-Cutter Full Carbide Head Hammer Drill Bit PSBC420EBQ and it has an ElectronicDiablos revolutionary, most complete range of SDS Plus and SDS Max Rebar Demon 4 cutter full carbide head hammer drill bits are the only bits designed to be the most durable, fastest and coolest solutions on the market. The Rebar Demon bits feature up to 2X more Dura Carbide to withstand up to 1800F of intense heat whereas standard bits fail at 800F. Diablos impact resistant 4 cutter full carbide head withstands the stress of high powered hammer