Slice® Box Cutter Blades are compatible with multiple Slice tools, including pen cutters, box cutters, mini cutters, slim cutters and the EDC folding knife. Is suitable for most common applications, such as opening cardboard boxes and packages. The unique finger-friendly® design means the four blades in this pack are safe to the touch, so cause fewer and less severe injuries than traditional blades. Furthermore, the blades are non-conductive for added safeguarding and don’t require a sharps box for disposal. Each blade is reversible and doubles lifespan, highly durable, lasting 11.2x longer than traditional blades, and never rusts because it’s chemically inert. No oil coating. Pack of 4 blades to support multiple tools or have multiple spares