Hard Arkansas Replacement Stone fits Norton IM313 Professional Machine It has a 45mm (1-3/4")

It has a 45mm (1-3/4") wide by 33cm (13") long stropping surface

of silver/flux

The primary cutting action occurs on the edges of the raised

4-finger grooved sharpening hones (Extra-Coarse Diamond Hone

The Centering Knife Jig jaws conform to tapered blades as well

Hard Arkansas Replacement Stone fits Norton IM313 Professional Machine It has a 45mm (1-3/4")This is a direct replacement for the Norton IM 313 sharpening system. It is a Hard Arkansas stone. Stone measures 11. 5" x 2. 5" x . 5" in size. Q. Is this Hard Arkansas stone made for the Norton IM 313 stone system? A. Yes, it is a direct replacement for the Norton system. Q. Is this made by Norton? A. No, it is not made by Norton. It is made in Arkansas, USA. Q. How do the grits of Arkansas Stones Compare to each other? A. Arkansas Stones are graded