Martor-Knives-Blades-Retractable-knife-spare-blade-621802-Martor-679-50-Manufactured-by-Martor-the-679-50-is-a-retractable-knife-spare-blade-designed-for-compatibility-with-convex-blades-This-replacement-blade-ensures-precision-and-safety-supplied-in-a-set-of-10-pieces-for-convenience-Ideal-for-industrial-and-commercial-cutting-applications-it-offers-durability-and-reliable-performance-Martor-679-50-Replacement-Blade-Convex-Steel-32x7x0-5mm-10-Pieces