DescriptionSpare Parts Description Product main featuresmultiple interlocking11 mmfor headparts with e.g. 3/4", 1" or 5/4" Spare Parts Related products Grohe GROHE Upper part 1 1/4″ #11299000 - chrome Further option: Warehouse Grohe GROHE Headpart 3/4″ Chrome #11551000 Further option: Warehouse