These water temperature gauge adaptors from APS are constructed from anodised billet aluminium and provide an easy method of installation. The adaptor simply fits inline into a radiator top hose, heater hose or oil hose and has a 1/8" NPT female port to take the gauge sender unit. An earth strap take off is also featured on the adaptorAvailable in various hose sizes and comes supplied with 2 x suitably sizes hose clips.