Yescom New Chrome Mounting Ring For Home Bathroom Glass Vessel Sink Drain Mount Support Finish: Chrome Ring Shape and ABS Plastic Material Installation Types: Countertop Overall Dimension: 3" Dia. x 1/4" H (7.8x0.6cm) ; Center Opening Size: 1-3/4" Dia. (4.5cm) Package Contents: 1x Mount Ring(*Faucet, sink and drain are not included.)