Excellent materialHakkin torx bit set is made of premium s2 steel with hardness up to HRC60 for maximum durability and wear resistance. Ratchet T Screwdriver is made of PP & TPR & carbon steel, high hardness and good toughness. Strong MagneticMagnetic torx security bits can be easily keep screws stuck to them, improve your work efficiency; Each edge of the torx bit can be accurately locked screws, no damage to the screw and the bit. 11 Professional SizesProfessional bit set includes 11pcs torx screwdriver bits: T6, T7, T8, T9, T10, T15, T20, T25, T27, T30, T40. Total length 75mm; And 1Pcs T Ratchet Screwdriver Handle. Wide ApplicationSecurity torx bits can be used to repair cars, motorcycles, computers, household appliances, electronic products, etc. It will help you a lot in daily life, which will be very convenient and necessary. Can be used with any 1/4″ hex shank electric screwdriver, manual screwdriver, electric drills, group general tools, etc. Exquisite WorkmanshipIdeal tool for men, maintainence staff, DIY hobbyist. Prefect gift for Father's Day, Christmas Day, and Birthday., Manufacturer: Guangzhou Guoke e-commerce Co.,Ltd