Rain Bird
"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)
Captive multi-drive screws for ease of access and faster bonnet removal
Glass-filled polypropylene body for strength
Your choice of tools to open valve (nut driver, Phillips head screw driver, slotted head screw driver)
Four screws for quick access to diaphragm"