1W Wahl Bone File 1W Wahl Bone File BF1W The 1W Wahl straight-cut bone file is used for final smoothing and shaping of bone with 8.1mm wide working ends. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.