Disposable Scalpel, Angled, Blade, #11, Stainless Steel / Plastic, Disposable, Box of 10.Sklar's Sterile, Disposable Scalpel #11 is most commonly used for puncture incisions or to open an artery. It has an angled cutting edge that leads to an extremely sharp point. Care should be taken to avoid inadvertently passing the blade too deep into the skin. These disposable scalpels are available in a pack of 10.