Details: Set includes: faucet, sink, drain, mounting ring A round clear glass vessel sink polished inside and out Sink made with high-tempered glass Scratch-resistant and non-porous Designed for above-counter installation Standard U.S. plumbing connections Outer sink dimensions: 16.5 x 5.75-inches 1.75-inch drain opening A 1.5-inch hole is needed for the faucet  Description: Combine quality and design with a unique clear glass vessel from Novatto. As an industry lead