For work in sheet metal, such as car bodies and refrigerators.For filing concave surfaces.Also, in soft materials, where a high material removal rate and a smooth finish is required.Provided with holes for holder screws.14" blade fits holder 9-462.Surface convex and milled with curved teeth.Shape: half-round, parallel edges.The convex side is milled with curved teeth.Type of cut: 1 = bastard.Packing: Single sleeve pack