The Worx cordless lawn trimmer WG157E.9 convinces with its light and ergonomic design, as well as a fully automatic string extension and a folding guard. The ability to convert it from a lawn trimmer to an edge trimmer in seconds makes it a versatile helper for maintaining lawn edges. The retractable guard protects your plants from damage. The WG157E.9 is supplied as a supplement to the Powershare devices without battery, charger and accessories, for all those who already own 20V Worx Powershare devices. Worx Powershare - Share batteries, save money. All Worx Powershare devices are also available without/with battery and charger - use your existing Worx batteries and charger and save money when buying new Worx devices.