Specifications:- Overflow: Without - Three-layer Finish: Polished Chrome- Overall Height: 7 5/16"" (18.5 cm) Close 7 11/16"" (19.5 cm) Open - Sink Hole Fitting Size: 1 3/8""-2 3/8"" - Top of Drain Diameter: 2 3/8"" (6 cm)- Thread Size(DxH): 1 3/8"" x 2 1/2"" (3.5 x 6.3 cm)- Waste Pipe Diameter: 1 3/16"" (3 cm)- Material: Solid Brass - Net Weight: 0.54 Lbs (0.245 kg). Package Contents:- 2x Pop Up Drain- 4x Silicone Gasket- 2x Screw