Bahco Chainsaw Sharpening Kit 4.0mm Grey, Orange and Black SKU: 124364 MODEL: 168COMBI4.06922 Error. try again later You've successfully joined the club $ 35 .47 each Mitre 10 MSAvailable at Mitre 10 MEGA and selected Mitre 10 stores. Variants 4.0mm chainsaw sharpening kit. Features and benefits 4.0mm round chainsaw file kit. Sharpens the cutting tooth on chains. For 5/32 inch chain. This Inclueds a guide 2 round files and 1 flat file.