Tube Cutter

Bolts to a workbench. Rubber pad acts like a non-marring anvil.

Set of 9 in a wooden box.
Easily makes claw settings for 0.15 to 2 carat stones. 4 to 6 or 8 large or small prongs can be made. The base unit holds the chosen jig and the length of wire used depends on the size of stone to be set.