Catalog number: JM-4 Features: ●This is a high-grade product that uses our unique electroplating technology to firmly arrange diamonds of the appropriate grain size in the file alloy for the shape of the alloy required for finishing, repairing, and removing R of various dies. ●We provide files with high precision, high strength, and sharp edges through strict material management. ●The grip of the file is commercial Uses: ●Ideal for grinding hard and brittle materials such as finishing, repairing, removing R of various dies, and grinding various blades. ●Also for small diameter holes and chamfering. Specifications: ●Grain size (#): 170 ●Shape: Flat (width) 8.0 x (thickness) 1.7 ●Total length (mm): 200 ●Blade length (mm): 70 ●Handle shape: Round (φ4.7mm) Material/Finish: ●Carbon tool steel Caution: ●Use without applying force. If the nozzle becomes clogged, use kerosene or similar and wash with a brush.
