K & M Krushers - Rock Crusher Vacuum Attachment for 11" Crusher - 2" Exit PortThis Vacuum attachment is designed for K&M Krushers. Its to be attached to the exit port of the crusher then attach a 2" hose to the round exit port and then attach to your Shop Vac or if you are using a Dust Deputy Cyclone to the side port or opening of the Cyclone. To attach the Vacuum Port, slide it completely up on the crusher then tighten the 5 16" bolt provided and lock it down with the 5 16" nut. (Bolt & Nut is included) This purchase is for