The cemented-carbide blade stays sharp and productive up to 50 times longer than a conventional steel blade. Allows scraping on wood, metal and concrete. In addition the blades are precision-ground to a slightly convex shape that prevents the blade corners from scratching the work surface.
50mm and 65mm blades are double edged, the triangular has three edges.

Spare blade 50mm for scrapers 650 and 440.