GATCO uses 100% natural Arkansas soft stone mined from Novaculite quarries that are carefully cut to size ans skillfully finished to insure flatness.
Softstone polishers will not leave scratch on your blade
Novaculite, highly regarded by craftsmen worldwide, has a unique crystalline structure which allows it to polish the cutting edge as it sharpens.
3" long x 1" wide x .25" high (76mm x 25mm x 6.4mm)
Comes with leather carrying case