DeWalt Mitre Saw Metal Arm Locking Handle DWS780 DWS727

DeWalt Mitre Saw Metal Arm Locking Handle DWS780 DWS727 

This locking handle sits at the back of the arm and allows you to lock the arm in place one you have the correct width in which you would like to cut, you would need to replace this part if damaged.

Please see below applicable models