WORKPRO 18mm Retractable Utility Knife, Heavy Duty Snap-off Box Cutter with 10-Piece SK5 Blades for Cartons, Cardboard and Boxes, Perfect for Office and Home Use

Superior Cutting Performance: 18 mm wider utility knives are made from SK5 steel, which is greater in edge retention, thickness, sharpness, and durability; It is good for deep and easy cuts on paper, photos, plastic, cardboard, fabric, foam board, and more

Easy to Use and Replace Blades: Retractable knife mechanism and 10 Extra Blades included for hassle-free cutting; Each blade consists of 8 detachable small blades for easy replacement at any time; if the blade is worn, it can be snapped off along the scratch with the plastic groove at the bottom

Safety First: Automatic safety lock plate and sturdy handle for comfortable and safe use; The size of the slider fits your finger for easy one-handed operation

Reliable and Lightweight Design: This razor knife is 6.5 inches long, and weighs 0.16 pounds; Made with an aluminum alloy shell and ABS plastic for long-lasting use and portability

Versatile and Convenient: Hang it on your wall or store it in your toolbox - Perfect for Home, Office, and DIY Projects

WORKPRO 18mm Retractable Utility Knife, Heavy Duty Snap-off Box Cutter with 10-Piece SK5 Blades for Cartons, Cardboard and Boxes, Perfect for Office and Home Use