SklarSafe(TM) Sterile Safety Scalpel, Sklar, #10, Stainless Steel / Plastic, Disposable, Sterile. The SklarSafe(TM) Sterile Safety Scalpel #10 features a protective, transparent sheath that can be opened, closed and locked with a single hand. The sturdy, in.sure-grip in. handle provides an audible in.click in. when the sheath is advanced to a locked position. This instrument is OSHA compliant and individually sealed in sturdy film and Tyvek pack. BX10.