Worx GT WG151.5. . Features: Lithium-Ion battery technology gives long life, no self-discharge, light-weight and no memory effect. Converts from trimmer to wheeled edger in seconds. Adjustable handle for maximum control and comfort. Telescopic shaft adjusts to user's height and posture. 90 degree tilting shaft orients cutting head for sloped and hard to reach areas. No bumping, 100% automatic line feed. Rubberized twin wheel set supports and guides the edger. Adjustable spacer guard helps protect flowers and ornamental lawn fixtures.