Certified High-Accuracy Diameter Tape Measures
 |  Diameter Inches |
 Diameter Centimeters |
Accurately measure diameter. These tape measures include a calibration certificate traceable to NIST stating they have passed a test for accuracy. Wrap them around circular items to determine diameter without the need for calculations. They have wear-resistant etched markings.
Blue | |||||||
|---|---|---|---|---|---|---|---|
| Dia. Measured | Measurement Precision | Accuracy | Blade Width | Tip Style | Graduation Color | Each | |
Inch | |||||||
Steel | |||||||
| 3/4"-7" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 0000000 |
| 2"-12" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
| 2"-24" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
| 12"-24" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
| 12"-36" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
| 24"-36" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
| 24"-48" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
| 36"-48" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
| 48"-60" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
| 60"-72" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
| 72"-84" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
| 84"-96" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
| 96"-108" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
| 108"-120" | 0.001" | -0.001" to +0.001" | 1/2" | Knob | White | 00000000 | 000000 |
Metric | |||||||
Steel | |||||||
| 100mm-300mm | 0.01 mm | -0.03mm to +0.03mm | 1/2" | Knob | White | 00000000 | 000000 |
| 300mm-600mm | 0.01 mm | -0.03mm to +0.03mm | 1/2" | Knob | White | 00000000 | 000000 |