Major features: 1. Zero-setting. 2. Data Output. 3. Resolution: 0. 005mm. 4. Lock to hold the slide in position. 5. Depth rod for depth measurement. 6. Hardened stainless steel measuring surface for long life. 7. Long life battery 8. Precision exceeds DIN862-88 9. Inch/mm conversion 10. Manual on/off. Technical Data: Measuring Range Order No. Resolution Permissible Error 0-150mm(0-6") 110-051 0.005mm +/-0.010mm 0-200mm(0-8") 110-052 0.005mm +/-0.020mm 0-300mm(0-12") 110-053 0.005mm +/-0.030mm