Nicholson 21868NN Flat Double Cut Bastard File, 10 InchThe Crescent Nicholson flat double cut bastard files with an American pattern are ideal for machinists, machinery builders, ship and engine builders. The files can be used effectively by repairmen and others who require rapid removal of metal. Highlights: Length: 10 inch Ideal for machinists, machinery builders, ship and engine builders Can be used effectively by repairmen and others who require rapid removal of metal Rectangular cross section allows