Surgical Blades and Disposable Scalpels: More than 30 years of research and engineering have gone into the production of these high quality world standard surgical blades and disposable scalpels; the definite choice of leading surgeons and hospitals worldwide. Choose blades in sizes from 10-24 in either carbon steel or stainless steel. Disposable scalpels feature and ergonomically designed ABS plastic handle for better feel and precision. Both blades and scalpels offer excellent value and significant savings. Disposable Scalpels Size 20.