Handy File, Reversible, Single-Cut Side, Double-Cut Side, 8-In.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.