Product description 6 Inch & 8 Inch Powerful Brushless Mini Chainsaw Cordless ( NOT Include Battery) Chain Specifications: 6-inch chain: 1/4" pitch, 37 drive links, gauge 0.043"; 8-inch chain: 1/4" pitch, 46 drive links, gauge 0.043". You can easily swap in a battery replacement for Milwaukee that you already own, helping you save on expenses. The package includes 2 x 6-inch chains and 2 x 8-inch chains. Whether you're trimming trees branches, bushes in your backyard or cutting small logs, our cordless mini chainsaw gives you options. The 6 inch and 8 inch chain combination offers flexible options for different cutting tasks. You don't need to replace the chainsaw for different tasks. Spare chains ensure the continuity of cutting, while reducing maintenance and replacement costs 【1200W Powerful Brushless Chainsaw】: Mini electric chainsaw is equipped with a brushless all-copper motor, compared with traditional brushed motors, brushless motors have higher working efficiency, faster cutting speed, less noise, longer lifespan, and lower maintenance costs. The no-load speed reaches 36 ft/s, allowing you to experience high-speed and smooth cutting. Meanwhile, it comes with overload protection and overheat protection functions, resulting in a longer service life, no need to worry about burn out the machine 【Automatic Lubrication & Smooth Cutting】This cordless mini chainsaw is built with an automatic lubrication system. Just fill the tank with any brand of chainsaw lubricating oil, and the machine will automatically lubricate the chain during operation for smoother cutting and extended chain service life. Important Note: Please clean the oil outlet regularly to prevent clogging and avoid poor lubrication or oil leakage. Lubricating oil is not included in the package 【Tools Free