The Starrett 270 Taper Gauge measures hole and slot sizes. It is quick to use, very accurate, & is a convenient size. One side graduated from .010" to .150" in thousandths of an inch; the reverse side from 0.3mm to 4mm in one-twentieth of a mm (0.05mm). Taper gage. Made in USA.
Product Model # Starrett 270 Taper Gauge 270 | 51292
For California Residents:
WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov
WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood