Nominal Diameter: 0.5 inches (13 mm); Faucet Mounting Hole: Diameter 1.5 inches (37 cm), Hole Length: 9.8 inches (250 mm); Hose Drawer Length: Approx. 15.7 inches (40 cm); Water saving faucet; One hole type; Main functions: Eco handle, spot fine shower, shower switching, easy to clean base, hose draw, water reservoirless, quick one installation, super quick joint, check valve included; Eco handle: Positive handle. Face position "water" Energy saving design; No need to use hot water unconscientiously to use hot water supply energy; Spot fine shower: In addition to excellent cleaning and less water splash; No more running out of the shower; High density shower allows you to wash away dirt comfortably. Base: The base is a skirt shape, so you can clean the dirt from the bottom of the faucet with just a single wipe.