NEW, SawStop Over-Arm Dust Collection Assembly, 846909, Compatible with ALL SawStop saws, except CNS-SFA, Fits ALL SawStop T-Glide Fence Rail Systems, Requires the Dust Collection Blade Guard if your saw is not already equipped with one, Provides a simple and unobtrusive way to remove dust, The Overarm Dust Collection Assembly provides a simple and unobtrusive …