Product Type: plastic casing stainless rule body metal Digital caliper  range: 0-150mm  resolution: 0.01mm/0.0005in accuracy (error):+-0.04mm or so ruler body material: high quality 52.5HRC hardness stainless steel meter head material: plastic casing (stainless rule body) scale process: Magnetic stripe film               battery model: LR44 button battery (1.5V) measurement function: 1. Clear any position 2. gong ying zhi converted 3. With fine tuning function 4. Large exhibition screen liquid crystal display, display window special quartz material, strong scratch resistance 5. Pull display (pull the display immediately, save the boot step for 5 minutes without automatic shutdown