Worx WG951.2 GT 2.0 & AIR 20V PowerShare 10" Cordless String Trimmer & Leaf Blower/Sweeper Combo Kit Convert trimmer easily to an edger or mini-mower in seconds Lithium-Ion battery technology: long life, no self-discharge, light weight, no memory effect 90 Degree tilting shaft orients the cutting head for the sloped and hard-to-reach areas Rubberized twin wheel set supports and guides the edger Ultra lightweight compact design