Disposable Pocket Cutter 5 x Longer with Auto Retracting Blade and Trigger Activated Precise single blade setting for Doublewall Corrugated Board Easy Cut Pocket Cutter with Auto Retracting Blade Trigger Activated and with Pocket Clip High-strength steel 5 x Longer than average blades Ergonomic , lightweight , Ambidextrous , Refined utility-type blade