Bahco Three Square Bastard Cut File 1-170-12-1-0 300mm (12in)
is no longer available although you may find similar or newer versions below:
Bahco Three Square Cut Files are used for filing internal acute angles and cleaning out square corners. Double cut teeth with sharp edges.
Smooth Cut: Approx 62 teeth per 25mm (Fine).Second Cut: Approx 36 teeth per 25mm (Medium).Bastard Cut: Approx 26 teeth per 25mm (Coarse).
Size: 300mm (12in)Cut: three square bastard.Tanged.