SPI Drill Gage, Inch, 1-1/6 - 1/2"

Fractional:

• 29 measuring holes for determining twist drill sizes from 1/16" to 1/2" in 1/64" increments. Shows drill sizes in inches and decimal equivalents.

Features:

• Made of heavy gage steel, machined and ground to close tolerances
• Holes sizes and decimal equivalents steel stamped