Wash Basin Sink Drain Anti Clogging Bathroom Drainer Stopper Accessories Non Overflow Gold(Flap without Hole ) Item Type: Sink Drain Material: Brass, Stainless Steel Color: Gold Process Treatment: Electroplating Drain Hole Diameter: 3cm / 1.2in Form: British Sewer Type: Flap Weight: Approx. 230g-236g / 8.1oz-8.3oz Size: Approx. 19x6cm / 7.5x2.4in Installation 1. Take out the head of the drainer first, and gently put it into the sink drain hole 2. After leveling and volume, as shown in the figure above 3. Then put the ring pad at the bottom, screw on the fixing nut, and tighten it with a wrench 4. After fixing the drainer as shown above, the drain installation is complete, just connect the upper and lower water pipes