Exclusive "ORBiT" Geometry minimizes wood splintering, less surface damage, improved tip engagement for screws embedded in restricted diameter holes. Value priced & recommended for deep drive counter bore screw fastening/removal - Compatible with most "2+ ball bearing retention collets" found in 1/4" Quick Connect/Release (QC/R) Impact Drive Machines. Compatible with standard 3/8 + 1/2" chuck Power Drill Machines. WARNING - IMPORTANT: ORBiT GEOMETRY IS NOT COMPATIBLE & WILL NOT LOCK INTO SINGLE BALL BEARING COLLETS INCLUDING ANCILLARY BIT HOLDERS & ADAPTERS * CHECK FITMENT COMPATIBILITY PRIOR TO PURCHASING * PHLiPBiT – By TurnX Tools, The Original “1 BiT - 2 TiP” manufacturer. Why pay for a single bit with an end you can't use? ☹ Instead, choose from the world's largest selection of Double End+Double Duty+Double Life IMPACT BiTs in Phillips, Square, Torx/Star, Slot/Flat, Hex, EC & Pozidriv TiP Combinations.