Overall Length: 5-1/8"Material: CompositeFor Use With Bosch VH1022, VH1035, VH1622A, VH1635 And VH1635A Vacuum HosesQuick Click Feature To Securely Attach The Adapter To The HoseAir Regulating Slider Control The Amount Of Air Flow Entering The Nozzle For Applications That Require Reduced AirflowRubber Nozzle Tool End Sized For Friction Fit With The Hose Ports On Most Bosch Tool Attachments That Are Used For Dust Extraction