PORTER-CABLE 55164 16-Inch Dust Shroud Dust collection attachment for the 16-inch omnijig joinery system (55160) Quickly attaches to the jig - no additional components required Keeps work area clean when used in conjunction with Omnijig stabilizer bar (included with model 55160) Directs chips to a single point for collection underneath the jig Provides exceptional chip removal efficiency when used with a dust collection system.