Nulink&Acirc; Retractable Utility Knife Cutter With Straight Handle, Metal Shielding Protection [Snap Off Lock Razor Blade] Snap-off blades for easy replacements in the future Great for a variety of tasks, including home, work, school, or workshop use Retractable blade to keep yourself or anyone safe when not in use Metal shielding allows for better rigidity and safety; Locking tab allows for the knife to stay in place at a certain length All NuLink products GUARANTEE defect free/ damaged & come with 1 Year warranty. Message us if you have any problems