Time to end those days of setting up your Multicores only to have them fold up. The Jewellers Clamp is an adjustable core holder that helps keeps your cores lined up. Great for your coil building arsenal.
Steel hand vise
Easily open/close with the large wing nut
The jaws measure approximately 11 mm wide and open to 1.5 mm
It measures approximately 133 mm long
The handle will need to be cut down with Angle Grinder or Hacksaw to an appx length of 3cm for keeping it stable in drill chuck