The DEWALT DCM571 FlexVolt XR Trimmer is fitted with a highly efficient brushless motor with a metal housing for increased runtime, life, durability and efficiency. The variable speed control provides a high/low setting for fast job completion over large areas. The enclosed and durable Xenoy™ battery housing provides increased protection. Includes a brush cutter adaptor kit and a brush knife, for everything from simple grass trimming to heavy-duty clearing work. Specification: Line Cutting Speed: 0-5,100/0-5,600/min.Cutting Width: 38cmLine Diameter: 2mmLine Supplied: 7.5mAssembled Length: 1.8mWeight: 6.6kg