The Crescent Nicholson rectangular double/single-cut handy files with American pattern are great for shaping, finishing, and sharpening. The single-cut grade on one side allow you to sharpen and smooth metal surfaces, while the double-cut on the reverse side can be used for general filing and rapid stock removal. File's length is measured exclusive of the handle. American pattern handy fileSingle cut on one side allows you to sharpen and smooth metal surfacesDouble cut on the reverse side can be used for general filing and rapid stock removalRectangular shape lets you smooth and sharpen straight surfacesFile features one cut edge and one safe edge to let you work in tight spacesLength measured exclusive of handle