GATCO TRI-SEPS Serration and Knife Sharpener Professional Machine it is 3 x harder

it is 3 x harder than standard sharpening steels

Are these the same shape as the rods with my Triangle Sharpmaker

Traditional Japanese knives are not generally steeled

Dick 12" Fine Cut Oval Steel with 2K Handle - #7357130-66

GATCO TRI-SEPS Serration and Knife Sharpener Professional Machine it is 3 x harderDesigned to be used by the armed forces, this triangular shaped, portable ceramic sharpener has a built in angle guide to quickly restore a razor edge to serrations, plain edges, entrenching tools, scissors, darts, fish hooks, ice picks and other pointed instruments. The unique triangular design features two radius sizes and provides sharpening for both large and small serrations. Includes military spec bead chain and clasp. A must have sharpener for