Diablo DMAMX1010 3 8" x 8" x 13" Rebar Demon™ SDS Max 4 Cutter Full Carbide Head Hammer Drill Bit MetaboImp Diablo's’s patented variable tooth technology UB315OBRL Diablo's’s patented variable tooth technology provides faster cuts with less vibration This patented battery technology also extends the battery life 2X longer Diablo made Dura Carbide™ features up to 2X more carbide that withstands up to 1800°F of intense heat to combat rebar hits versus standard bits that fail at 800°F The Rebar Demon bits feature up to 2X more Dura Carbide to withstand up to 1800°F of intense heat whereas standard bits fail at 800°F