Norton 4 x 1 Round Combination India Stone Professional Machine This box of five 46-grit

This box of five 46-grit resin-bonded wheels ensures consistent

At 4" long with a 1/4" diameter round profile

Note that all Coticules are hand shaped

How do I determine the sharpening angle when using this guide

This compartment closes tightly and is sealed by a gasket to minimize leakage

Norton 4 x 1 Round Combination India Stone Professional Machine This box of five 46-gritThe Norton IB64 Round India Stone is 4" across with a 1" thickness. The coarse side of this combination India stone is used to sharpen dull edges quickly. The fine side is used to restore slightly dulled cutting edges and enhance the finish left by the coarse side. This stone is similar to, but a bit harder and finer grit than, the Norton 4 x 1 Round Combination Crystolon Stone. Like our other round stones, one of the popular uses is for sharpening