chain saw file 1) Dia. 3.5mm, 4.0mm, 4.5mm, 4.8mm, 5.0mm, 5.5mm 2) CE/GS/SGS/ISO9001 chain saw file1) ParameterItem ... Description & Specifications : Chain saw file Dia. 3.5mm , 4.0mm, 4.5mm, 4 ... 's more, we have also passed the assessment of the quality standardization.4) Our main markets are North America, South America ...