Diablo's revolutionary, complete range of SDS-Plus Rebar Demon 4-cutter full-carbide head hammer bits is the first full line of bits designed to be the strongest, most durable and fastest solutions on the market. Diablo's ultra-hardened, full-carbide head bits withstand the stress of high powered hammer drills and the impact of rebar cutting, delivering extreme durability and strength. Precision Tip delivers the stability and accuracy required to produce fast.