Product Info Catalog Plumbing Plumbing Accessories Faucet Repair 1-3/4-Inch Diameter Chrome Finish Sink Hole Cover 1-3/4-Inch Diameter Chrome Finish Sink Hole Cover Request a Quote UPC: 52088081518 SKU: 714524 Model Number: 714-524 Master Plumber 1-3/4" Diameter Chrome Finish Steel Sink Hole Cover. Covers an Extra Hole in a Standard Sink. Includes Wing Nut.