100 blade dispenser pack, standard heavy duty, high carbon steel blades. Precision-honed edge for consistent and extended cutting life. Fits most standard utility knives. Blades are 2-7/16 inches long and.024 inch thick. Sturdy plastic dispenser contains 100 blades model # 11-921 heavy duty pointed razor type blade, made of carbon steel, dispenses one blade at a time, hang holes for mounting, fits most stanley retractable and fixed blade knives: 10-079, 10-099, 10-189, 10-299 and 10-399.