Bahco Chainsaw Chain File 4.0mm Silver SKU: 251124 MODEL: 168-8-4.0-NZ Error. try again later You've successfully joined the club $ 5 .56 each Mitre 10 MSAvailable at Mitre 10 MEGA and selected Mitre 10 stores. Variants 4.0mm chainsaw file. Features and benefits 4.0mm round chainsaw file. Sharpens the cutting tooth on chains. For 5/32 inch chain.