Aero-Flex Aero-Flex Universal Upgrade Kit with Glider (Gas and Battery)

Aero-Flex Universal upgrade kit with Glider fits virtually all gas and these battery brands: De Walt (20V 40V), Echo, Craftsman (20V 40V) Ryobi 18V, Kobalt 80V, Expandit 40V, Milwaukee, Makita. Optional Glider makes trimmer a mower. Easily remove glider if you wish. Use glider on battery trimmers to increase run time 50%.