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 black phosphate finish by surface for good anti-rust and anti-corrosion functions, which is more stronger and durable than others, don't worry it will be rust or corrosion in the rain
EASY IDENTIFICATION: 10 Most popular allen drill bit SAE sizes which is 5/16", 1/4", 7/32", 3/16", 5/32", 9/64", 1/8", 7/64", 3/32", 5/64", 1/4 inch hex shank with 100 mm long, each hex bits are clearly marked with laser etching, making it easy to identify the size and type of bit you need
KINDLY TIPS: Due to low torque to can't increase effort , ball end hex bits are more great for 1/4'' hex shank screwdriver or other hand tools; not well for power drill because of low torque, that it will leads to ball end will be rounded over, we strongly recommend that using it on hand tools for the best results
CONVENIENT STORAGE ORGANIZATION: Ball end allen hex key set comes with a durable plastic bit holder for easy storage, it has clearly size marked on the holder, makes them easy to spot in your toolbox
WIDE APPLICATIONS: Ball end allen wrench set can tighten the screw in vertical or inclined side, suitable for limited space. Ball End hex bits built-in magnetic, can be easily keep screws stuck to them. Perfect hex driver set for Ikea type furniture, an indispensable part in our life, it also a nice choice of present for your family and friends