• High performance metal drilling for portable drill users, works well on curved surfaces
• Revolutionary tip design stays sharper longer and drills up to 10x faster than other leading drill bits
• High speed steel features a black body and gold flute
• Self-centering TURBOMAX® tip for clean entry and fast starts; stays sharp longer
• Three flatted shank on 3/16" and above for better chuck grip
(California Prop 65)