Stanley® Quick-Change Utility Knife with Retractable Blade and Twine Cutter, 6" Metal Handle, Gray, 6/Box (BOS10499BX) Box of 6Stanley Quick Change Retractable Utility Knife Save valuable work time with the Quick Change Retractable Utility Knife from STANLEY. Change blades fast without the need for a screwdriver. This utility knife cuts many types of materials including cardboard, drywall, plastic sheeting, leather, and more. Global Product Type: Retractable Utility Box Cutters Knife Type: Utility Blade Type: Retractable Number of Blades: 3 Handle Material(s): Metal Blade