Highly Durable: This Highcraft Sink Drain As sembly is Made of Heavy Duty Stainless steel which is Built To Last! Strainer/Stopper Included: Works as strainer and a plug, Ball lock basket Uses a simple push / pull operation and locks tightly into Place Fits Standard Drains: (3-1/2 - 4 Inch -4-1/2 inch flange ), Detachable Parts EXTEndED SHANK: Longer threaded shank and Heavy Duty Double Cup design makes Installation easy Strainer/Stopper: Super easy to clean! Just Remove the basket to empty and it's Dishwasher Safe