Product Description The 1/2 " & 3/4 " Adapt-A-Tap Chrome Tap Top allows for taps to be easily modernised or repaired, without altering existing pipework. Suitable as sink and bath taps - 1/2 " for sink taps,3/4 " for bath taps. Easy and quick to install, without disturbing existing plumbing. Simple way to replace old taps. Full turn operation, for ease of use.