Rohl 733APC Basket Strainer Without Pop-Up Manual Operation, Polished Chrome 5/8 inch diameter pull knob Fits standard 3 1/2 inch diameter us drain openings Standard 1 1/2 inch male connection to drain Plumbing Strainer baskets without pop-up Fits standard 3-1/2-Inch US drains Shorter mounting screws available for metal sink Longer mounting screws available for thicker sinks Universal strainer