Quantity in Stock: 4MSRP: $6.25Seals Vacuum System When Not In Use Spring-Loaded Access Cover For Vacuum Hose Connection Sensing Pins Control The Vacuum Unit'S Power Via The Hose'S Trigger Ring BlackVendor SKU: VM195BWeight: 0.2000 lbsLength: 5.20"Width: 3.50"Height: 2.00"