This Grizzly EKS1835QTX Electric Chainsaw has a powerful 1800W motor & an automatic chain lubrication function. The bar is 35cm long while the chain rotates at 14m per second for fast work progress. There is a safety stop chain brake & fell handle for horizontal sawing & maximum safety. The gears are contructed from metal, not nylon as in some inferior quality models. Also featured is a quick chain tensioning system to ease of use.