while the M18 pole saw attachment measures 7 feet in length when assembled with no telescoping ability. To trim bushes, you can use the Articulating Hedge Trimmer attachment ($179 at Home Depot).

Includes one Husqvarna HA322 330LK Hedge Trimmer Attachment for the Husqvarna 330LK Combi Trimmer Landscape With Ease: Hedge trimmers prune, shape and trim tall hedges and bushes with ease 21-Inch ...

Instead of buying a dedicated pole saw, you can opt for one ... Ryobi Expand-It 18-Inch Universal Hedge Trimmer Attachment If you don't already have a dedicated hedge trimmer, you can pick up ...