iGaging Fastener-Cal, IP54 0-6" 4 ways Reading in/mm/fraction 128th and 32nd nut find, EZ view Large Display, stainless steel accuracy 0.001" NIST Certificate. Equipped with a new function that gives you true reading on all standard size fasteners, bolts, and nuts. No more guessing or complicated conversions needed.
Range: 0-6" / 0-150mm
Resolution: 0.0005" / 0.01mm / Fastener sizes
Accuracy: 0.001" / 0.02mm
Dust, water, and oil resistant to IP54 standards.
Fastener Reading: 32nd, (1/2, 4th, 8th, 16th)
4 Reading Modes: Inch, Metric, Inch Fractional, & Fastener Size.
Large LCD digital display
Auto Power Off
Battery: 3V CR2032
Complete with fitted case
I love this product worth ever penny