Swann Morton Blade, Non-Sterile Carbon Steel Sz 12 100/bx Swann-Morton scalpel blades are known for their quality and consistency. A standard for precision mold cutting, this #12 curved style blade fits a variety of handles, including all standard mold handles. These very sharp surgical–quality steel blades are a must for professional or novice mold cutters alike. No. 3 Stainless steel handle for scalpel blades #10, 11, 12, and 15. Length 4-7/8". Width 1/4" Features Stainless steel Corrosion resistant stainless steel Lightweight