Vacuum Adapters have 24/40 joints. Bent Adapter has a 105° angle between the top outer joint and bottom inner joint. Straight Adapter has a top outer joint and bottom inner joint. Both adapters have 24/40 joints and include a 3/8" hose connector. Additional Info: vacuum adapter, bent, 24/40 joint Package Size(L x W x H): 2 X 2 X 1 (IN) Categories: Adapters, Glassware HTS Code: 7017.90.5000 UNSPSC: 4.11218e+007 Country Of Origin: INDIA