Zandstra Home Nordic Ice Blade Sharpening Kit Including Sharpening Jig & 2 Sharpening Stones For sharpening all makes and models of detachable Nordic ice skate blades, including both Nordic Skates and Multiskates Two-piece jig accommodates blades of any length, including 55cm (21-inch) Sharpens both blades together Double-sided sharpening stone and deburring stone included