Pack of 10 pieces of solid tungsten carbide reversible turn blades - 4 CUTTING EDGES.Size - 49.5mm x 12mm x 1.5mm with 4 cutting edges, bevelled on edges and on ends.These blades are manufactured in a specially selected grade of tungsten carbide, and are ground to a fine finish to produce the sharpest, keenest edges possible.We stock all other popular sizes of tungsten carbide reversible turn blades.