WORKSHOP Wet Dry Vacuum Accessories WS17840A Claw Nozzle Shop Vacuum Attachment For Wet Dry Shop Vacuums Claw Nozzle shop vacuum attachment fits most shop vacuum hoses and wands with a 1-1/4-inch, 1-7/8-inch or 2-1/2-inch diameter. Of all wet dry vacuum accessories most people have probably used a similar vacuum attachment at their local car wash vacuum station. It is ideal to deep clean seats and floor mats in car, trucks, and vans Utilizing an adapter the claw nozzle shop vacuum accessory is a great blend of maneuverability and airflow Fits most shop vacuum hoses or wands with a 1-7/8-inch diameter collar. WORKSHOP wet/Dry Vacs does not recommended using this vacuum attachment for WS17821A hose. It will work, but is a little loose.