This attachment converts the Shindaiwa Multi Tool System into a commercial string trimmer with cutting diameter of 40cm.FEATURESNo Tools The attachment fits quickly and easily, without the need for tools.D Handle Not IncludedBlade Kit Blade fixing kit included Blade not included TECHNICAL DETAILS Handle Type Loop Nylon Head Auto Bump Feed Metal Blade No Assembled Length 176cm Vibration Highest Single Axis 5.6 metres per second Weight 5.5kg