They are a great little tool. Many years ago, Tesa were offering them with their finger dial indicators in a promotional offer. The kit came with shims to adjust the centre line of the indicator ball. It is a great exercise to make one as well. It is interesting seeing the different approaches to making the parts.
They are a great little tool. Many years ago, Tesa were offering them with their finger dial indicators in a promotional offer. The kit came with shims to adjust the centre line of the indicator ball. It is a great exercise to make one as well. It is interesting seeing the different approaches to making the parts.