This is an IBC adapter with Tap connector. Allows the attachment of a standard garden hose in conjunction with a hose connector. An S60X6 Buttress thread measures 60 mm across from thread edge to thread edge and has a 6 mm pitch (distance between the threads). Please carefully check your valve before ordering.This is a great way to stop beating your knuckles on the cage of an IBC tank. Also preserves the Life of Your Existing IBC Valve. The size is measured by hand, please allow minor errors of measurement. The photo color might be a little different from the actual product due to the color display of different monitors.