Irwin Drill Bit Gauge

No more unknowns, no more random bits. This classic Irwin Drill Bit Gauge will size your bits from 1/16” to 1/2” by 64ths. With a total of 29 holes you can quickly and easily organize and sort your bit piles after every project. This Irwin gauge is made from steel and built to last for generations, this is a needed tool for every workshop.