This 6″ Square File from Crescent Nicholson is the perfect tool for enlarging holes or recesses, mortises, keyways and splines. The file has a length of 6 in. and width of 1/4 in. with a diameter of 1/4 in. It features a square profile shape that makes it ideal for applications such as enlarging holes or recesses, mortises, keyways and splines. This natural file has double cut edges which are smooth to avoid scratching the workpiece surface during filing operations. Recommended handle for this file is 21474 Plastic, Mfr No 21520N Wood while its edges are smooth to avoid scratching the workpiece surface during filing operations. You will be able to complete your projects with ease when you have this 6″ Square File on hand.