Efficient Electric Weed Wacker : Weed wacker battery operated pure copper motor, 18000 rpm engine speed, Realize big jobs with small machines. Weed Wacker 4 Types of Cutting Blades ：Cordless weed wacker comprennent: 20 plastic bladessuitable for mowing soft grass and light weeds; 2 stainless steel blades for trimming dense weeds and small shrubs; 2 S-blades suitable for cutting plants and reeds;1 circular saw blade with strong cutting ability, Suitable for cutting thick shrub branches; Weed wacker cordless blades are easy to install and replace.