Set of 4 with capacities from .0mm to 4.65mm. Good to use on broaches when reaming out a pivot hole diameter. Grabs hold of a post of some sort so you can work with it basically. Small part of the pinvise is knurled so it can be easily rotated.
Set of 4 pin vises with capacities from .0mm to 4.65mm. Very useful to hold watch tools such as cutting broaches or to hold stems.