33 pc Tamper Proof Hex Bit Head Set

Description: Great for use in electric screwdriver, hand screwdriver, electric drill and other tools. High biting level reduces damage to the screw head , the head of screwdriver is magnetic. Adopts the CR-V manufacturing skill and overall high-frequency quenching, super hardness, high torque, long lifetime. Secure torx/star, secure hex, secure tri-wing, secure fork and secure four wing, in all common sizes. Great for vehicles, computer and electronic repair. These are also used with specialty security screws. Stored in an upper and lower plastic case, provides different models to choose, easy to use and carry. Shank diameter: 1/4 inch Tamper proof Torx: T8 / T10 / T15 / T20 / T25 / T27 / T30 / T35 / T40 Spanner Sizes: 4mm/ 6mm / 8mm / 10mm Torx Bits: 6mm / 8mm / 10mm Tri Wing Bits: 1mm / ...