Specifications:- Overall Dimension of Each Sink(LxWxH): 21 5/8"" x 14” x 6 11/16” (55 x 35.5 x 17 cm)- Internal Dimension of Each Sink(LxWxH): 20 11/16"" x 13” x 4 1/16” (52.5 x 33 x 10.3 cm)- Drain Hole Diameter: 1 3/4"" (4.51 cm)- Sink Thickness: 1/2"" (1.3 cm)- Installation Types: Above Counter- Material: Tempered Glass- Recommended Spout Height of Faucet: 7 7/8” to 9 13/16” (20 to 25 cm)- Total Net Weight: 26.9 Lbs (12.2 kg). Package Contents:- 2 x Tempered Glass Sinks- 2 x Manuals