13pcs Torx Bit Set,Hakkin Security Bit Set Tamper Proof Star Bits Set Phosphate Treatment,T5-T40,4" Long

1. Torx security bits surface phosphating treatment . the special process greatly improves the anti-rust and anti-corrosion performance of the bits.2. Hakkin Security torx bits are made of excellent industrial grade S2 steel material for superior hardness . durable for a long time service.3. Include 13 torx screwdriver bits . T5 . T6 . T7 . T8 . T9 . T10 . T15 . T20 . T25 . T27 . T30 . T35 . T40. Total length 100mm(4 inch).4. Magnetizable Torx head screwdriver bits can be easily keep screws stuck to them .Each edge of the torx bit can be accurately locked screws.5. The 1/4" hex handle can be used with electric screwdrivers . hand screwdrivers . electric drills . combination general purpose tools and any standard drill.6. Tamper resistant torx bit set can be used in automobiles repairs . engines . motorcycles . interiors . dashboards . computers . cable boxes . toys . appliances . consumer electronics and Furniture installation . etc.