WIDE USAGE: White or Chrome Brass Sink Tap Hole Blanking Plug - Water Protective Coating - Kitchen Sink Blanking Cap.IN THE SET: 50mm in Diameter Metal Plug + Metal Screw + Rubber Seal/Washer + O-ring + Plastic Wing Nut.EASY TO INSTALL: Can Be Used for Sink, Basin and Bath Tub - Just Check the Hole Diameter - Easy to Fit Without Tools.LEAK-PROOF COVER: White or Chrome Sink Tap Hole Cover Plug - Installation Instructions in Description.PREMIUM MATERIAL: Kitchen Sink Hole Cover - Easy to Install Bath Tap Hole Cover - Leak-Proof Faucet Hole Cover.