Makita E-12544 1" x 4" Rebar Cutter Drill Bit (Head Only)Makita E 12544 Get the right accessory for use with your rotary hammer. Makita has a full line of bits, including rebar cutter drill bits engineered to shred through concrete embedded rebar. The Makita SDS PLUS Rebar Cutter Head is part of a two piece rebar cutter bit system which allows users to replace worn cutter heads for use on compatible Makita rebar cutter shank adapters (sold separately). The Rebar Cutter Head is engineered for faster drilling