This standard digital vernier calliper is a must have for any handy man. It's a very useful tool to have for measuring inside, outside and depth dimensions.  It comes in a very useful protective plastic case.

Specifications:

• Measuring Range: 0 - 150mm
• Resolution: 0.01mm
• Accuracy (<100mm): 0.02mm 
• Accuracy (>100mm): 0.03mm
• Repeatability: 0.01mm
• Max measuring speed: 1.5m/sec
• Measuring System: Linear Capacitive 
• Display: LCD
• Battery: 1 x 1.5V LR44 Battery 
• Working Temperature: 5°C - 40°C
• Note: Accuracy affected in environments exceeding 80% relative humidity.