24 PACK BALL END HEX HEAD / ALLEN DRILL BITS IN THE FOLLOWING SIZES - SAE: 1/16" 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8". Metric: 1.5MM, 2.0MM, 2.55MM, 3.0MM, 3.5MM, 4.0MM, 5.0MM, 6.0MM, 7.0MM, 8.0MM, 9.0MM, 10MM NEW UPGRADED INDUSTRIAL STRENGTH MATERIAL - Made from Incredibly Strong CR-MO (Chromium Molybdenum) Steel. This type of Material allows you to use either your Standard Drill or Impact Driver. PRECISION MEASURMENTS - Each Size is was laser measured for a perfect size measurement, since there's no outside coating we were able to precisely measure each bit for a perfect fit! TRADE IN THAT ALLEN WRENCH FOR YOUR POWER DRILL - We've all been there before, you order a piece of furniture and open the box to find 100s of screws, all have to be fastened with a mini allen wrench. Instead imagine using your Drill to tighten and help put together your next DIY Furniture piece. NARWHAL GUARANTEE - We strive to source high quality products and if you're ever unsatisfied please reach out to us, our USA Based Customer Service is here to help! 24 Set of Ball End Hex Head Drill Bits