Scalpels, Stainless Steel, 1-1/2" Blade. Strong razor-sharp scalpels and knives are staples of any dissection lab. Made of stainless steel, this tool gives students and teachers greater cutting ease, slicing through delicate and tough tissues alike. The sturdy handle provides a firm grip. Scalpels are used for delicate, precision cutting of tissue. Use a Cartilage Knife for tougher tissues.