"Operates" on hard-to-open plastic clam-shell packages, allowing consumers to open them in one swift motion. Easily pierces and slices around the package, safely freeing the merchandise in seconds. Ergonomic design keeps fingers away from sharp plastic edges and auto-close cover provides added safety. Surgical grade stainless steel blade never needs sharpening. Easy-to-hold handle has cushion grip. Knife Type: Utility; Blade Type: Replaceable; Blade Material: Stainless Steel; Number of Blades: 1.