This listing is for a freeflow waste drain fitting for sink basins. Slotted for use with sinks that have an overflow. Highly polished chrome mirror finish. Freeflow design. 70mm diameter domed head. Standard 1-1/4" BSP (32mm) Size. (approx 40mm overall diameter) 100mm long (from under side of mounting face) Top cover easily slots off to allow cleaning underneath. Includes lock nut and required rubber washers.