30 Degree Roland plotter blades/Roland knife/ Roland cutter(Bighead)

This technical data:

-cutting 0.25 mm thick material

-diameter: 2 mm (0.08 ") / length: 23 mm (0.91 ")

-optional 30 41 and 60 degrees, 0.25 mm eccentric value

-material: 89-90% Wc / 10-11% drill

-hardness: 91, 5 HRA rockwell

-breaking strength: 4000-4200 / square millimeter