Made in USA Starrett Model 270 Useful tool for bearing work & for gaging slots Made of quality tool steel and accurately tapered throughout entire length for quick and convenient measuring 11mm (7/16\”) wide by 160mm (6-1/4\”) long Can be used as a precision shim 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) Product Description Specs 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