1 in. (26/34) female x female threaded plastic residential irrigation valve | Eccentric diaphragm for smooth closing, less water hammer | Compact design, 2.54 in. spin radius for tight installations (install more valves in a single valve box) | This item is KEY, SQ 1/4 X 4-7/16 SHIFT 26552^This product is used for hex-keys^This product manufacture by Taiwan | This item is KEY, SQ 1/4 X 4-7/16 SHIFT 26552^This product is used for hex-keys^This product manufacture by Taiwan