Celco Auto Retractable Spare Blade 10 Pack This 10 pack of Celco Auto Retractable Spare Blades is suitable for use in Celco Auto Retractable Safety Knives. Each blade is easy to install ensuring that your knife still cuts safely and efficiently. Celco 6403 Small Snap Off Refill Blades 6 Pack These Celco 6403 Small Snap Off Refill Blades are perfect for a variety of small Celco knives. The snap off feature ensures that you continue to cut with a point until the very end of the blade. Celco 6404 Large Snap-Off Blades 6 Pack These Celco 6404 Large Snap-Off Blades are perfect for a variety of small Celco knives. The snap of blades ensures that you continue to cut with a point until the very last section. X-ACTO No.1 Knife Refills 5 Pack These X-ACTO No.1 Knife Refills are a great way to keep your knife cutting with precision. They are perfect for light cutting and trimming in crafts and other hobbies. Fiskars Cutter Replacement Blades These Fiskars Cutter Replacement Blades are perfect for when your cutter blades are becoming dull. They are easy to switch out and change over, and come in a safe plastic screw top container. Celco Replacement Utility Blade These Celco Replacement Utility Blades can be used to refill the Celco Utility Knife. They have a durable construction to be sharp and long lasting.