Diablo 1 1 8" x 16" x 26" AMPED Rebar Demon SDS Max 4 Cutter Full Carbide Head Dust Extraction Hammer Drill Bit Chamfering Offset Driver Bits and Driver Offset Driver Bits and Driver Extension Included maximizes installation speed and safety in tight spaces while minimizing installed cost no separate trip to the supply house required and Plywood the Dura Carbide 4 cutter head's up to 7X longer service life versus standard 2 cutter bits means transitioning from seven conventional bits to just one AMPED Rebar Demon bit per hole series delivering potential savings of up to $200 per SDS Max bit and significantly reducing tool changeover time or blow again before placing epoxy the AMPED Rebar Demon's two step Drill to Fill process handles rebar and dust extraction simultaneously