The Brasshards Loose Nut Mini Cistern Stop Tap is designed for quick & easy installation of standard toilet cisterns. Ideal for confined spaces, the fitting of basin & sink mixers is now also much simpler. Constructed from the finest dezincified brass and finished with durable chrome plating, it is perfect for both residential and commercial applications. “DR” brass has been proven against the test of time by being able to withstand high temperatures while being resistant to corrosion. All Brasshards fittings have WaterMark approval and fully compliant with AS3688.