Mounts a trimmer to a mower (*Mower not included) Adjustable settings for a customized fit. Quick clamp secures trimmer from spinning Always have trimmer within reach with Locking capability with gun lock Separate u-bolt will need to be purchased from local hardware store to fit roll bars greater than 2″. Mounts 1 trimmer to 2” roll bar of zero turn mowers Have trimmer within reach while you cut. Adjustable settings for a customized fit. Quick clamp secures trimmer from spinning Please note that a separate u-bolt will need to be purchased from your local hardware store to fit roll bars greater than 2″. Trimmer can be secured on to mower with a gun lock.