Chain sharpening kit 1)Chain sharpening kit with 6" flat file 2)4.0mm, 4.8mm, 5. ... 3)CE/GS/SGS/ISO9001 chain saw sharpening kit1) This kit includes sharpening tools and 6" flat file and is cloth ... includes guide bar, saw chain, sprocket, rim, wrench, chain breaker, rivet spinner, and saw file, trimmer line and so on.3 ...