chain saw file 1) Dia. 3.5mm, 4.0mm, 4.5mm, 4.8mm ... SGS/ISO9001 chain saw file1) ParameterItem Description & Specifications : Chain saw file Dia. 3.5mm , 4.0mm, 4.5mm, 4.8mm, ... , sprocket, rim, wrench, chain breaker, rivet spinner, and saw file, trimmer line and so on.3) Our factory has been ... and so on. And honored as "Enterprise credit grade AA level". What's more, we have also passed the assessment of ...