DEWALT Universal Tool Connector, Multi-Function Connector Fits DeWalt Dust Extractors, Vacuum Hose, and Various Tools, 1-1/4 Inch (DWV9000) - Universal Allows for quick, easy and durable connection between 1 1/4 vacuum hose and various DW tools & shrouds - Positive Lock maintains connection to dust port - Swivel capacity allows connector to move freely reducing hose kinking - Dust Collection wtih tools for concrete, drywall, or woodworking applications