Deli E2036 Heavy Duty Utility Knife Paper Cutter with 9 mm SK5 steel blade and is made of durable ABS + carbon tool steel + Cold rolled steel plate. Auto-lock mechanism and Steel blade wrap. Blades snap-off using end cap to provide 13 additional blade segments. Product Dimensions: 142 x 18 x 11 mm (cutter). Packaging Type: Blister card. Blade Dimensions: 0.4 x 9 x 80 mm. Available in Metallic Grey color. Heavy Duty Utility Knife Paper Cutter with 9 mm SK5 steel blade Made of durable ABS + carbon tool steel + Cold rolled steel plate Blades snap-off using end cap to provide 13 additional blade segments Auto-lock mechanism. Product Dimensions: 142 x 18 x 11 mm (cutter)