X-ACTO X222 5pc No 22 Large Curved Carving Knife Blade. Heavy cuts and initial shaping, carving, trimming, and slicing. Balsa, wood, linoleum, rubber, foam, and plastic. Heavy Duty. Fits 3/8 inch X-ACTO No 2, Type c, and Type D handles, as well as Excel K2, K5, K6, and K7 Handles. This is the replacement for X-ACTO X22, which has been discontinued by X-ACTO.