SLICE™ CERAMIC CRAFT KNIFE REPLACEMENT BLADES, 1-1/4 IN., 4-PACK| Razor-sharp, hand-sharpened ceramic replacement blades fit most standard craft knife handles, including Olfa AK-1/5B Art Knife, X-Acto X3261 Woodcarving Knife, X-Acto X3206 #6 Heavy Duty Knife, and X-Acto X3602 #2 Knife | Each pack contains four (4) rounded-tip ceramic #S2 blades | Each blade measures approximately 1-1/4" inches (33mm) in length | X-acto(R) and Ofla(R) trademarks are the property of their respective owners | Four (4) rounded-tip ceramic blades per pack | 10x sharper and lasts 10x longer than metal | Never rusts, chemically inert, non-magnetic | Does not conduct electricity | Safer rounded tip | Hand sharpened | Less blade changes means less injuries