Features . High Performance G-MAX 40V Lithium-Ion Battery System delivers fade-free power with no memory loss after charging. 12 in. Oregon bar and chain perfect for cutting branches and limbs with ease. Tool-less chain tensioning for quick adjustments so you can get back to the task at hand. Automatic oiler applies oil to the bar and chain to ensure durability and extend the life of the chain. Translucent oil tank for clear view of oil level. Wrap around handle for multiple cutting positions to provide ease of use when trimming at different angles. Reduced kickback chain for safer cutting. Compatible only with G-MAX 40V Battery Models 29462 29472 and Charger 29482