Designed specifically for woodturners, these calipers are stamped from durable 2.0mm plate steel and zinc-plated for long workshop life (able to last many years in sometime damp sheds).
A comfortable, large knob locks the arms securely in place when measurement has been taken. The double-end calipers allow you to measure while still one end is still locked on the work piece. They are primarily designed as an outside caliper but can also measure internal measurements when not in confined spaces.
The combination caliper has straight legs on one end to use as an inside caliper in confined spaces as well as the outside end found on the other two, making it the most popular option.
Size denotes overall caliper length and maximum measuring capacity.