Bahco 4-152-08-2-2 41 and 36 TPI Homeowner's File, Ergo, 8-Inch Overall length of 8-Inch File has both rasp and double cut Rasp cut is for rough filing of wood, plywood, and soft plastic Double cut is for fine filing of metals, iron and plastics One side is bastard rasp cut and the other is double second cut.