Digital outside caliper

•The main ruler and measuring claw are made of hardened stainless steel •The thumb wheel can be fine-tuned •LCD screen quickly displays data, easy to read •Automatic power switch •Interchange of relative measurement and absolute measurement at any position (ABS function) •Zero reset at any position •Metric and English conversion •IP54 waterproof •3v environmental protection lithium battery, battery life is greater than 1 year •Can measure the size of the groove of the larger size shaft and part surface from the end