The Campbell Hausfeld dual-foot air chuck is an extended air chuck for hard-to-reach valves on trucks, tractors, buses and other large equipment. The angled head on this dual-foot air chuck can inflate on either side. A built-in shut-off valve seals air when not in use. 1/4-inch NPT (F) thread size. Extended chuck for hard-to-reach valves on tractors, trucks or buses. Angled head can inflate either side 1/4 inch NPT (F). Shipping Dimensions Length : 1.70 ; Shipping Dimensions Width : 1.30 ; Shipping Dimensions Height : 10.71 ; Cube FT : 23.67