Impact Tough, 4 Piece, 178, Nutsetter Set, Consists Of 14, 516, 38 716 Bits, Bit Design 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 The Bits That They Need, TiltInTiltOut Case Mechanism Allows Easier Access To Bits, PrecisionEngineered Nutsetter Heads Deliver A Tighter Fit Less Damage To The Screw, Heat Treated Bit Manufacturing Provides Stronger Bit, HighVisibility Bit Sleeve Markings Makes Finding The Correct Bit For The Job Easier, Durable Case Features Secure Case Latch Rubber Bumpers