How to use
Just 4 steps to drill what you want:
Step 1 - Unscrew the head and insert the required collet.
Step 2 - Half tighten the chuck, then insert your drill bit or other device into the collet jaws.
Step 3 - Fully tighten the chuck head to secure the drill bit.
Step 4 - Place the palm of your hand over the top of the handle and use your finger tips to turn the central portion of the pin vise.
Pin vise able to clamp steel line and twist it into the shape you need, and also useful for electronic assembling, tool-making, model making and DIY.