47 Piece, Screwdriver Bit Set, Use For Almost All Driving & Fastening Applications, Bits Are Extra Hard & Designed To Withstand The High Torque Associated With Today's More Powerful Impact Drivers, Forged Tips Create A Stronger & More Flexible Torsion Zone Reducing Breakage & Extending Bit Life, Includes Insert Bits: (1) P1, (12) P2, (1) P3, (1) T15, (1) T20, (1) T25, (1) SL6-8, (1) SL8-10, (1) SL10-12, (1) R1, (10) R2, (1) R3, 2" Power Bits: (6) P2, (4) R2, (2) SL8-10, Magnetic Nutsetters: (1) 1/4", (1) 5/16" & 1 Bit Holder/Finder Driver.