Type of Shank:1/4 inch hex shank, type of head: Torx. Overall length: 3 inch length.
Tamper Proof Security Bits in the Following Sizes T6, T7, T8, T9, T10, T15, T20, T25, T27, T30, and T40.11pcs tamper proof Torx bits set can meet your different needs.
Drill bits made from high quality S2 steel material for ultimate durability, suitable for industrial use.Magnetizable torx security head(New Bits without Magnetic). After Magnetized with a magnet it would with a strong magnetic, can suck the screws easily when used it.
It can be used with electric screwdriver, manual screwdriver, electric drill, group general tools,and any Standard Drills.
This useful torx screwdriver set, exquisite workmanship, each edge can be accurately locked screws, no damage to the screw, and the screwdriver head.Such a practical aid in many situations.