REXBETI 4-Pack Utility Knife, SK5 Heavy Duty Aluminum Shell Retractable Box Cutter Knife Sets for Cartons, Cardboard and Boxes, Extra 5PCS Hook Blades and 10PCS Trapezoid Blades Included - REX-6678

• Ultra sharpness and double hardness blade, Perfect for hobby, DIY projects, cardboard, carpet, Rope,boxes, wallpapers, vinyl, rubber, leather, PVC material and etc Comes with 4-pack utility knife, retractable design. Ergonomical and long handle offers strong grip all the time Aluminum shell design, more durable and stronger than normal plastic cutters Extra 10-piece blades and 5-piece hook blades included. Made of SK5 material. Made of SK5 material. The hook blade can protect the surface under the object. 4 colors - Red/Black/Yellow/Blue Knife Sets, Manufacturer: REXBETI