Tonsiki 9pcs 1 4 Inch Hex Shank T8-T40 4 Inch Length S2 Steel Hex Torx Security Head Drill Screwdriver Set Bits

Specification: Material: S2 high quality steel Type of head: Torx Security / Tamper Proof Type of shank: 1/4 inch Size: ,T8,T9,T10,T15,T20, T25,T27,T30,T40 Length: 4 inch(100mm) Quantity: 9 pieces Feature: ? 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. ? Exquisite workmanship, each edge can be accurately locked screws, no damage to the screw, and the screwdriver head. ? Strong magnetic,can suck the screws easily when used it. ? Can be used for manual electric screwdriver, screwdriver, drill, air and other tools. ? Professional multi size, hexagonal handle on the edge of 1/4 inch. ? Use different sizes to screw,will damage screwdriver and the screw! Using the correct screwdriver bar, pay the less effort, and can easily unscrew the screws! Package Including: 9 x 4 inch(100mm) screwdriver bit