Deli E2051 Utility Knife Paper Cutter with 9 mm Hard SK5 steel blade for easy cutting. Manual lock system for safe use. Made of durable ABS + carbon tool steel. Blades snap-off using end cap to provide 13 additional blade segments. Product Dimensions: 125 x 15 x 12 mm (cutter). Blade Dimensions: 0.4 x 9 x 80 mm. Available in 3 Colours: Blue, Red and Yellow. 9 mm Hard SK5 steel blade for easy cutting. Manual lock system for safe use Made of durable ABS + carbon tool steel Blades snap-off using end cap to provide 13 additional blade segments Product Dimensions: 125 x 15 x 12 mm (cutter) & 0.4 x 9 x 80 mm (blade)