Features-
The DEWALT DCMAS5713N XR FlexVolt Split Boom System comes with a DCMASST1N String Trimmer Attachment.
It has a highly efficient brushless motor for extended run time, ideal when working outside. The well-balanced design and split shaft provide compact storage and easy transportation. Additional landscaping heads are available, sold separately, this system enables you to cover multiple outdoor jobs with one tool. 

Specification-
Line Cutting Speed: 4,650-5,800/min.
Cutting Width: 38cm
Line Diameter: 2mm
Weight: 5.4kg 

Supplied with-
Strimmer head
(No battery or charger)