Caliper 0-150mm Single Hook Digital Depth Gauge (5113-150A)
1. Hardened stainless steel main scale and measuring jaws. 2. Zero-setting at any position 3. mm/inch measurement system conversion 4. waterproof IP54 5. 3V environmental battery,battery life>1 year 6. Measurement for groove position dimension http://www.shcaliper.com/