These are the **official carbon replacement blades** for the Film Handler cutter system. Each pack includes 20 sharp, precision-ground blades loaded into a cartridge for easy swap-in.If your cuts are catching, curling, or drifting—it’s probably not your handler, it’s your blade. Stop hacking with dull edges and keep your slits clean.– 20 carbon blades per cartridge – Built for Film Handler cutter assembly – Durable edge for long slitting runs – OEM fit and feed—don’t use knockoffs