DescriptionIncluded 12PCS different size practical professional use screwdriver bit set, adopt source material, surface plating, make it fit for long time use. Good material does not need to make the surface decoration through the exterior decoration, the quality of the batch is to look at the intrinsic material.Features- Color: as shown - Size:10 x 7 x 1.5cm - Material: Metal. - Made of source material, practical, wearproof, long time use. - Can be used for manual electric screwdriver, screwdriver, drill, air and other tools. - Exquisite workmanship, each can be accurately locked screws, to the screw, and the screwdriver head. - Includes: T5 T6 T7 T8 T9 T10 T15 T20 T25 T27 T30 T40 different kind of size bit fit with your screwdriver perfectly. - Accurate processed, easy to use and accurately.