X-ACTO X416 15pc No 16 Scoring Knife Blades in a Safety Dispenser. Dispenser has a slot to dispose of used blades. For delicate stenciling, cutting, or scoring. Paper, plastic, balsa, and decals. Offset Blades for accuracy. Fits 1/4 inch Type A X-ACTO or Excel Handles. This is the replacement for X-ACTO X16, which has been discontinued by X-ACTO.