Grobet Precision files. The standard for quality and performance! Tapered in width and thickness, with the knife edge having the same thickness from point to shoulder. The included angle of the sharp edge is approximately 10°. Generally used to file in a slot or wedge shaped opening. Curved knife edge allows for easily filing in restricted areas. Double cut on both sides. Top edge is safe. Knife edge is single cut. Total length is 6". The higher the cut, the finer the grit. Sold individually.