The Dexter-Russell 3-Way Traditional ceramic sharpening stone (model 7080) is a manual, three-rod knife sharpening system built for daily use in commercial kitchens, butcher shops, and foodservice operations that need to maintain sharp edges across a full knife inventory without sending blades out for sharpening. Manual knife sharpener for commercial foodservice use, suited for line cooks, butchers, and kitchen managers who sharpen knives in-house during or between service Three solid ceramic rods, each a different grade: coarse (120 grit, brown) for dull or worn edges, medium (150 grit, blue) for partially dull blades, and fine (200 grit, white) for touch-ups and edge maintenance Each rod measures 12 inches in length, mounted in polypropylene end pieces that hold the frame stable during use Can be used with rods oriented vertically or horizontally on a countertop, giving the operator flexibility based on workspace and personal technique Rods require no oil or water to operate, can be rotated to expose a fresh sharpening surface, and can be cleaned with an abrasive cleanser; the unit disassembles for cleaning Individual replacement rods (507409 coarse, 507419 medium, 507429 fine) are available separately to extend the life of the system without replacing the full unit; made in the USA with a limited lifetime warranty against defects in material and workmanship Dimensions: 12"L x 4.25"W x 4.25"H