Description:  This is a well made extra coarse diamond file.  You can use this file on all types of materials including ceramic, stone, glass, metals and composites.  The diamond coating is approximately a 60 grit.  Comes sturdily mounted in a plastic handle.  
 
Approximate Size:  12" overall length with a 3/4" x 8" diamond file.  
Material:  Diamond coated steel with a molded plastic handle
 
Made In China