* Quality refill blades for normal Cutter Knife

* MB301   Size : 9mm   5pcs/tube

* MB501   Size : 18mm   5pcs/tube

* Feature: - Replacement blades for snap-off blade cutter knifes - Extra strong tempered blade sleeves for smooth and reliable blade extension and retraction - High quality cutter blades that deliver superior performance and longevity - Designed to meet the needs of professionals