" Thread size S60 x6 1/2" (13 mm) BSP thread on 1/2" (13 mm) center Made of premium material for durable and long term use. This product can be used as a quick contact switch, which is for IBC ton valve. Fits most standard UK and European IBC containers Product Specification: Type: IBC Tank Adapter This is an IBC Adapter with Brass Bib Tap and Snap-On Tap Connector. Allows attachment of a standard 1/2" (13mm) garden hose in conjunction with a Snap-On hose connector. These fittings are Hoselock compatible. thefaucet also acts as a useful back-up safety valve, or for precise flow control. These items are supplied fully assembled and not in kit form. It will fit most standard IBC containers in the UK and Europe where the buttress thread is a S60X6 coarse thread. An S60X6 Buttress thread measures 60mm from end to end of the thread and has a pitch of 6mm (distance betweenthe threads). If your tank buttress is not an S60X6 (about 20% are not), you can purchase a Buttress Thread Converter which will convert the thread to the S60X6 you will need. Package included: 1 x IBC tank tap adapter "