Spring post basket Fits standard 3.5-in kitchen sink drain openings Color/Finish Family: Stainless steel Manufacturer Color/Finish: Stainless Steel Type: Strainer Diameter (Inches): 4.5 Basket(s) Included: Yes Fits Drain Opening (Inches): 3.5 Lock Mount Included: Yes Material: Stainless steel Open/Close Stopper: Yes Package Quantity: 1 Rust Resistant: Yes Tailpipe Included: No Compatible with Garbage Disposals: No CA Residents: Prop 65 Warning(s): Yes Warranty: 1-year limited UNSPSC: 30181500