The EGO 8" Edger Attachment and Power Head are part of the EGO POWER+ Multi-Head System. The 8" edger creates clean and precise edges around your driveway sidewalks and patio with ease. The Power-Head is compatible with all EGO Multi-Head attachments. Equipped with a variable speed trigger a lock off switch and a guide wheel with a depth adjustment knob. Compatible with all EGO POWER+ ARC Lithium batteries (available separately) to deliver Power Beyond Belief.