It's refreshing to buy something from Revain that is made in the USA. Every bit is straight, every bit is sharp, and most bits will cut a hole within 0.002 inch of the marked size. Bits 1/4 inch. For 99.9% of you it's perfect, but for me it's good enough for a government job. I highly recommend these beats. Even if you have room for full sized bits, get some as very few ever need the extra length of full sized bits and shorter bits are much more difficult to bend.