#2, Phillips ACR, Insert Bit, 1/4 in Hex Shank Size, PK 5/ OVERALL LENGTH: 1.000 INCHES NOMINAL SHANK WIDTH ACROSS WRENCH FLATS: 0.250 INCHES NOMINAL TIP TYPE: PHILLIPS CROSS TIP SIZE DESIGNATION: 2 DRIVE SHANK TYPE: HEXAGON FEATURES PROVIDED: MANUAL TOOL AND ANTI-CAM-OUT RIBS ON TIP SPECIFICATION/STANDARD DATA: 05047-ASME B107.600 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 2 CLASS