The ONE+ 18V 13"String Trimmer/Edger has a lightweight design making it portable and easy to use around your yard. The auto-feed line head will automatically advance the line. This trimmer is also equipped with a variable speed trigger so you can have more control around fences, masonry and other areas of your yard. With the press of a button the shaft rotates to an edger so you can quickly tackle your edging needs. The adjustable 11" to 13" cutting width allows you to optimize your trimmer for increased run time or a wider cut swath. Part of the RYOBI ONE+ System - Any 18V ONE+ Battery Works With Any 18V ONE+ Product. This 18V ONE+ String Trimmer/Edger Kit is backed by the RYOBI 3-Year Manufacturer's Warranty and includes P20015 18V ONE+ String Trimmer/Edger, PBP006 18V ONE+ 2Ah Battery, PCG002 18V ONE+ Charger and PCL031 18V ONE+ Dual Function Digital Inflator/Deflator.