Thread Size S60 x61/2" (13mm) center 1/2" (13mm) BSP thread made of high quality material for durability. This product can be used as a quick touch switch for ton class IBC valves. Fits most standard UK and European IBC containers Product Description Specifications: Brand New Type: IBC Tank Adapter This is an IBC adapter with a brass tap and snap-on tap connector. Allows connection of standard 1/2" (13mm) garden hoses with snap-on hose couplings. These accessories are compatible with Hoselock. The faucet can also be used as a useful backup safety valve, or for precise flow control. These items are provided fully assembled, not in kit form. It fits most standard IBC vessels in the UK and Europe where the buttress thread is S60X6 coarse thread. The S60X6 Buttress threads are 60mm long from end to end and have a 6mm pitch (distance between threads). If your tank brace is not S60X6 (about 20% are not), you can buy a Buttress Thread Converter which will convert the threads you will need for S60X6. Package Included: 1 x IBC Tank Faucet Adapter