Greenworks G-MAX 40V Lithium-Ion 8-inch Cordless Pole saw features a robust 8-inch bar and chain, 3/8-inch chain pitch, automatic oiler and chain tensioning. Pole extends to 8 ft. and collapse to 5 ft. Tool Only Model. Compatible with G-MAX Batteries 29462 and 29472 only. Translucent oil tank for clear view of oil level.