Hard Reversible Jaws to suit Pratt Burnerd 4in Diameter Chuck
These are genuine Pratt Burnerd Jaws that are no longer manufactured.
Part numbers 2580-10607 (base) & 2580-10608 (top)
The base jaws will require the front edge to be ground back slightly
if bar is to go through the chuck.
This would have been done in the factory if the chuck was originally
supplied with 2 piece jaws.
Width = 0.555in
Slot Width = 0.191in
Pitch = 0.200in
Part Number 2580-10607-8