... .0mm, 5.5mm 2) CE/GS/SGS/ISO9001 chain saw file1) ParameterItem Description & Specifications : Chain saw file Dia. 3.5mm , 4.0mm, 4.5mm ... : 21.50Weight:13, 14, 16,18, 20, 232) We are the first factory of manufacturing guide bar, saw chain, and sprocket in China ... . The product line includes guide bar, saw chain, sprocket, rim, wrench, chain breaker, rivet spinner, and saw file, trimmer line and so on.3 ...