Ever come across that long lost drill bit and struggled to figure out what size it is? Struggle no more with this handy drill bit measuring gauge. Powder coated to a smooth finish, this gauge won't damage your bits while measuring. The gauge can be used to measure brad point bits, twist drill bits or any other kind of straight drill bit. Starting at 1/16" the gauge can measure all the way up to 1/2" in 1/64th inch increments.