Deli E2043 Utility Knife Paper Cutter Rotary Lock with 18 mm SK5 steel blade and is made of durable ABS + carbon tool steel + Cold rolled steel plate. Rotary lock mechanism. 3 x Blades included. Blades snap-off using end cap to provide 8 additional blade segments. Product Dimensions: 160 x 3 5 x 26 mm (cutter). Blade Dimensions: 0.5 x 18 x 100 mm. Available in Red and Yellow Colours. Utility Knife Paper Cutter Rotary Lock with 18 mm SK5 steel blade Blades snap-off using end cap to provide 8 additional blade segments Made of durable ABS + carbon tool steel + Cold rolled steel plate Product Dimensions: 160 x 3 5 x 26 mm (cutter). 3 x Blades included