Metal Drill Bit Gauge Wire Bolt Size Diameter Index Metric and SAE (Black)
[Product Information]
- Easily Determine Drill Bit and Bolt Sizes
- Made From Heavy Gauge Steel for a Long Life
- 29 Different Hole Diameters for the Most Accurate Readings
- Size Ranges from 1/16" to 1/2" and 1.59mm to 12.7mm
