The tool could be used for max. 2-inch dia.(50.8mm)
The dimensions of the wheels are: 19mm dia, 8mm thk., 6mm dia. hole.
Provided a set of 3 wheels (oblique profile to create a diamond pattern).
The tool was oil heat-treated against the rust.

INSTRUCTIONS
   - lubricate the wheels before and during the process
   - do not push hard on wheels, give time to the material to deform (use 5-7 steps)
   - the tool must be handled by HAND
   - do not use on the lathe, mill or drill machine  
   - the part must be stationary and the knurling tool to be rotated around the part.

PS. International bidders expect import taxes.
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