FastCap Kaizen Foam Standard Blade Knife has a triple edge blade that is 50 percent sharper than standard blades with a comfortable moulded rubber grip, a double tooth steel track for a positive action and auto blade lock. This makes them a lot more accurate and prevents tear out or misshapen pieces that fit tools awkwardly. The blunt hook at the other end is great for cutting through sticky tape making it a great box opener in a warehouse or workshop environment. Thin blade kaizen knife featuring an extra thin blade ideal for cutting tight contour shapes in Kaizen foam. It has a more durable metal and rubberized plastic grip than the standard knife being a specialty knife it will be durable for longer in a workshop environment. Offers a thin blade option as well for tight contour shapes.