Sink Combined Waste and Overflow: Stainless Steel Flange: Chrome Plated Overflow Grid: Black PVC Plug and Chrome Plated Chain: Centre Pin Model  Available in 1¼" and 1½" sizes  Available with 70mm or 85mm flange  Chrome Plated Plastic overflow grid  Black PVC plug and CP chain  Flexible overflow tube has OD of 25mm  Centre pin dry fixing connection has the advantage of a quick, simple and neat installation affording a saving in material and labour costs  The polished stainless steel flange eliminates the problem of chrome plating deterioration  Manufactured in Polypropylene