HIT2700 Features: * Pole Saw Attachment * Use with Hitachi 21.1cc Grass Trimmer * 10"" Oregon bar and chain * Crankshaft drive, adjustable, automatic oiling system * Cuts branches up to 8"" in diameter * Solid steel drive shaft * 56"" overall length * Drive shaft: 7mm solid steel * Drive shaft end: square/splined * Optional bar and chain combinations: 10"" * Pitch: 3/8"" * Chain oil capacity: 15 fl.oz