Z-Blade Disposable Razor Sharp Scalpel Knife 2 Pack (Black 3 Pack). Its razor sharp and holds an edge better than any other knife you have used. High Quality Medical Grade Stainless Steel Blade and Injection Mold Handle. Molded to the Easy Grip Handle for Extra Strength and Safety. 1001 Uses! Keep in your truck, boat, home, shop, plumbing,painting, hunting, woodworking, drywall and so much more!. Index finger slot with a safety stop to prevent slippage.