82 piece set of acrylic tone hole file pilots in every .5mm increment from 8.0mm-48.5mm. Thickness ~4.9mm
 
These pilots come pre-tapped to standard 1/4-20 thread which make them a great fit for Jim Schmidt style tone hole files. Includes a convenient tray for organization. 
 
Also excellent to use as key cup mandrels during repair!
 
*Please note these are currently made to order. Please allow 7-10 days processing time!