Tonsiki Ball End Hex Bit Set, 12PCS Metric Ball End Hex Head Allen Wrench Drill Bit Set, 1/4" Hex Shank S2 Steel Ball End Hex Driver Set with Magnetic, 2.5'' Long, Nickel Plating Treatment

• 【PREMIUM S2 STEEL】Ball end hex bits are made of excellent industrial grade S2 steel material for superior hardness which it's reaches 61RCH, ball end allen bit set be Nickel plating treatment by surface, for good anti-rust and anti-corrosion functions. It will not be rust and keep the gloss even if exposed to the air for a long time, which is more stronger and durable than others. 【KINDLY TIPS】Due to low torque to can't increase effort , ball end hex bits are more great for 1/4'' hex shank screwdriver hand tool. not well for power drill because of low torque, that it lead to ball end will be rounded over, we strongly recommend that using it on hand tools for the best results! 【STEEL MARK】Clear and exquisite steel typing makes it easier to find the size you want, no need to worry about the logo or size mark may wear out over time and other factors, convenient to use it. 12 Metric sizes which is 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm. 【WIDE APPLICATIONS】Ball end hex bit can tighten the screws in vertical or inclined side, you can use them on a limited space. These ball end allen bits especially suitable for IKEA furniture, a good helper for assembling furniture which make it in an easy way. 【STRONG MAGNETIC】Magnetizable ball end hex head, can easily suck screws, the Allen bits can be firmly attached to screwdrivers and hold the screws firmly, can improve your work efficiency.