Experience a new standard in bits, with all the features professionals have been missing: extra reach, precise fit, high durability, and an efficient color-coding system, all combined in one bit. This set includes: T10 x 1T15 x 1T20 x 2T25 x 2T30 x 1T40 x 1PH2 x 1PZ2 x 1Carabiner holder x 1 Features and benefits: • Color-coding system:One unique color per bit type. Save time by finding the right bit on the first try.• Extra reach:60mm length provides better reach than traditional 50mm impact bits.• 2X longer life:Most bit suppliers use standard S2 steel, but our steel delivers double the lifetime. (See the chart in the image gallery for test results).• Improved fit:Designed with a tighter fit in the screw, reducing the risk of screws falling off and providing more efficient driving.• Built for impact drivers:Engineered to withstand the tough loads from impact drivers without breaking.• Compatibility:Impact drivers and standard drill drivers.