Compact, cordless chain saw with 3/8" chain pitch combines innovative technology and 20V PowerShare platform. Features tool-free auto chain tension system to prevent over-tightening and to retain optimal chain tension while cutting. Automatic oiling system with indicator. Compatible with all Worx PowerShare and PowerShare Pro Battery Platform enabling batteries to run across multiple cordless Worx tools for increased flexibility, agile handling and manoeuvrability. Batteries and charger sold separately. 25cm Bar Unbranded Full-Complement Low-Profile Chain Without Chain Brake Tool-Free Tensioning System Automatic Lubrication 2 Year Guarantee 3/8" Chain Pitch Does Not Include Battery or Charger 25cm Bar Unbranded Full-Complement Low-Profile Chain Without Chain Brake Tool-Free Tensioning System Automatic Lubrication 2 Year Guarantee 3/8" Chain Pitch Does Not Include Battery or Charger