Impact Tough, 8 Piece, Square, 2 Power Bit Set With Clip For Custom Case System, Set Includes 2 R1, 4 R2, 2 R3 Square 2 Power Bits, Provides 10X Life Over Standard Impact Bits, XTended Torsion Zone Helps To Absorb High Torque Of New Impact Drivers, Customizable, Convenient Bit Clip Allows Users To Snap InSnap Out Precisely Bits That They Need, TiltInTiltOut Case Mechanism Allows Easier Access To Bits, Precision Engineered Nutsetter Heads Deliver A Tighter Fit Less Damage To Screw, Heat Treated Bit Manufacturing Provides Stronger Bit, High Visibility Bit Sleeve Markings Makes Finding Correct Bit For Job Easier, Durable Case Features A Secure Case Latch Rubber Bumpers