The Snap-On BAHCO 1-230-08-1-2 8-Inch round cut 1 file with handle has a width of 5/16-Inch and 25 teeth per-Inch. The type of cut is bastard. This file is regularly used for filing holes, large fillets and concave surfaces. The file is tapered to a point and has a double cut. The handle has a ergonomic bi mold grip.