The Oracstar sink waste has secure rubber fittings and stainless steel filters. A higher quality black plug and all pipe fittings. Suitable for one bowl sinks it features an overflow system for easy installation. The 1 1/2 inch /38mm Stainless Steel Single Bowl Waste Overflow is ideal for replacing a faulty or tired waste. This product is easy to install, using minimal tools and is suitable for most standard sinks. Quick and easy to fit. Stainless steel provides an aesthetically pleasing finish. Ideal plumbing parts.