Steel Rule Grinders for the steel rule industry. The machine is also equipped with a steel rule feeder which advances the rule into the machine, and template tracing work wheel dressers which put the desired shape into the grinding wheels automatically. This is capable of grinding serration on a continuously fed steel rule. It can grind serrated teeth on one side or simultaneously on both sides. It is composed of two grinding wheel spindle assemblies. Two stepper driven ball screw slides mounted with clamping devices which holds the rule in place as the slides advance into the grinding wheel. It has wheel wear size adjusting screw blocks and rule transferring mechanism.