Convenient to use with a one-button opening and closing switch Metal body for optimal balance and durability in the field of use, reinforced metal end provides protection against knocks and drops Specially developed coating keeps CarbonMax blades sharp up to 24x longer especially the safety lock can hold the blade in position when you do not use the cardboard cutter and protect you from injury. Compatible with most standard size blades, quick release mechanism allows for quick blade replacement This universal knife is made of high-quality, anodised aluminium and stainless steel, the blade is made of stainless steel and is resistant to wear and rust Ergonomic and robust thanks to aluminium housing and ergonomic shape suitable for cutting carpets, paper, artificial leather, ropes, cardboard