4K5 Tools Knives & Blades Cutter spare blade 626455 - 4K5 Tools 600.300.1, 4K5 Tools produces the 600.300.1 cutter spare blade set, containing ten sharp spare blades with a trapezoidal shape. These high-quality blades are ideal for precision cutting tasks and are commonly used in crafting and industrial applications. The set is identifiable by the code 04021563711604 and is marketed as TI 10 Trapeze Inserts. 4K5 Tools 600.300.1 Spare Trapezoidal Blades Steel Satin Finish 10 pieces