OCB1869 Features: * Rotary hammer bit * SDS-max WildBore with Quadro-X Design series * Patented extra strength tip for longer life and faster drilling * 4 cutter head provides fast, accurate drilling and true round holes for anchors * Increased flute geometry for faster dust removal and less vibration * 8"" useable length * 13"" overall length * Carded Dimensions: * 5/8"" diameter