Refillable RCS certified recycled plastic heavy duty snap-off knife made with RCS (Recycled Claim Standard) certified recycled ABS, TPE and stainless steel blade. Total recycled content: 41% based on total item weight. RCS certification ensures a completely certified supply chain of the recycled materials. This versatile knife features a snap-off blade design, allowing you to easily replace the SK4 blade when it becomes dull. Whether you need to cut through cardboard, plastic, or even thin sheets of metal, the snap-off knife is up to the task. The sharp, durable blade ensures that you'll get clean, precise cuts every time. The knife is also incredibly easy to use. The comfortable handle provides a secure grip, allowing you to maintain complete control as you cut. Plus, the lightweight design makes it easy to carry with you wherever you go. Packed in FSC® mix kraft package. The item comes with 1 blade inside the item and two extra blades.