KegWorks Metal Bar Sink Overflow Pipe: 7 1/2" Inches High 7 1/2" Tall from drain (8 3/8" Overall). See images for full dimensional diagram. Fits 1 3/4" to 2" Drains. Rubber Stop Plug Diameter: 1 3/4"W. Prevents overflow and flooding. Great for busy restaurants and bars. Made of chrome plated brass.