●Connection thread between tap start and IBC adapter: pipe external thread diameter approx. 21 mm corresponds to 1/2 inch external thread ●Connection thread between tap end and hose nozzle: external thread (G) diameter approx. 26 mm corresponds to 3/4 inch external thread ●Outer diameter hose nozzle: approx. 15 mm for standard 1/2 inch hose ●Connection fitting IBC adapter DN60 S60 x 6 (60 mm) internal coarse thread for direct connection to IBC 640L-1000L water tank, water tank, rainwater tank ●Material: die-cast zinc body, lever handle steel