Upgraded Cordless Pole Saw The new upgraded cordless pole saw is equipped with 8 inch chain and bar. For the convenience of our customers, we have added a section of extension tube to make pruning high branches easier. Extends Up To 15-Feet Height No ladder necessary! The Extension pole extends from 8.2 feet to 10.4 feet, you can reach heights of up to 15 feet (Based on a 5.4 feet person holding the bar to shoulder height). And this electric pole saw has 3 adjustable angles that allows you to easily prune branches in different positions. Auto Oiling & Multi-angle Adjustment Auto-oiling system automatically applies the lube oil on the chain, tool-less chain tensioning system tensions the chain fast and easy. The tree saw has multiple adjustable cutting angles, so you can easily trim branches in different locations.