This is a 28 mm 9 spline hedge trimmer attachment for brush cutter. With this attachment, you can quickly turn your brush cutter into a strong hedge trimmer. It easily and precisely cuts down bushes and hedges. For this hedge trimmer attachment to work, the brush cutter shaft usually has to be mounted to the hedge trimmer head. The hedge trimmer attachment must be installed in place of the brush cutter's present head, such as the trimmer head, in order to finish this process.