1x Drill Bit Set Hex Head Wrench Screwdriver Socket 1/4inch Shank Metric 100mm

Features: *【High Quality】Heat treated durability has high hardness not easy to wear. PLEASE MAKE SURE YOU CHOOSE THE RIGHT DRILL BIT AND CONTROL THE RIGHT SPEED OF THE DRILL. THIS OPERATION GREATLY PROLONGS THE SERVICE LIFE OF THE HEX DRILL BITS. *【Professional Hex Bit Set Are Made of Alloy Steel Very Well Made And Tough As Nails】 - Hardness can reach HRC60 degree. Hex key set fit for electric drills with speed regulating device electric screwdrivers hand screwdrivers.Please do not use drill bits on pneumatic tools air dills and the electric drill without speed regulation. A long lifetime of the drill bit is reached due to its durable construction and superior technology. *【Nickel Plating Surface Treatment Super Anti-Rust】 High quality long lasting and durable. The Hex drill bit set is clearly marked that you can find what size you need quickly.Easy to take and use. *【Magnetic Tips And 100mm Length】 - The hex screwdriver set is a little bit magnetic which helps to keep nuts and bolts stuck to them. Can improve your work efficiency. 100mm(3.94”) length longer than the market ones More practical and convenient. Specifications: *Metric Sizes：1.5mm 2mm 2.5mm 3mm 4mm 5mm 6mm 8mm（options) *Bit set shank: 6.35mm/ 1/4” *Length: 100mm(3.94”) Package Included: 1pcs x Hex head bit