This tool has carbide cutters. It will handle large and small rifle primers. It is adjustable. It is used to uniform the primer pockets. When you do this it insures your primers will seat at the same depth. This means the firing pin will strike the primer with the same precision.

 
We offer a dbl. ended uniformer with a hex body. A dbl. ended uniformer with a round body that can be used with the Power Adapter.