Norton 4 x 1 Round Combination Crystolon Stone ORMD The Multiform stone has two

The Multiform stone has two long edges: one is a round over and the other is tapered at 45 degrees

Carrier Height Gauge

The Norton IM313 features three 11-1/2" x 2-1/2" replaceable oil stones that fit securely into a handle-unit that can be rotated to bring the desired stone into position for sharpening

If you are on the Quest For the Ultimate Edge

Norton 4 x 1 Round Combination Crystolon Stone ORMD The Multiform stone has twoThis is a 4" round combination Crystolon, or silicon carbide, stone with both coarse and fine sides. The coarse side is very aggressive and is used for bringing dull edges back to sharpness. The fine side is used to restore edges that are slightly dull, and for refining the edge left by the coarse side. This stone is similar to, but a bit more aggressive than the harder Norton 4 x 1 Round Combination India Stone. Norton Item Number: JB64 Norton Part