Impact Tough, 48 Piece, Screwdriving Custom Case System Set, Set Consists Of: Insert Bits: 2 Phil #1, 6 Phil #2, 2 Phil #2 Reduced, 2 Phil #3, 2 Combo Bit P2R2, 2 SQ #1, 6 SQ #2, 2 SQ #3, 5 Torx #15, 2 Torx #20, 1 Torx #25, 2" Power Bits: 4 Phil #2, 1 Phil #3, 2 SQ #2, 1 SQ #3, 2 Torx #20, 2 Torx #25, 2.5" Double Ended Power Bits: 1 Phil #2, 1 SQ #2, 1 Torx #25 & 1 Standard Bit Holder, Impact Tough Bit Design Provides 10x Life, X-Tended Torsion Zone Helps To Absorb High Torque Of New Impact Drivers, Tilt-In/Tilt-Out Case Mechanism Allows Easier Access To Bits, Customized Storage Configuration Provides Efficiency, So The Right Bit Is Always At Hand, Precision Engineered Bit Tips Deliver A Tighter Fit & Less Cam-Out, Heat Treated Bit Manufacturing Provides Stronger Bit, High Visibility Bit Sleeve Makes Finding The Correct Bit For The Job Easier, Durable Case Features A Secure Case Latch & Rubber Bumpers.