Everflow 7531 Kitchen Sink (3-1/2 Inch) Stainless Steel Drain Assembly With Strainer Basket and Rubber Stopper - Long Extended Shank (3-3/4 Inch) HIGHLY DURABLE: This Everflow Sink Drain Assembly 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 STAIN RESISTANT: Super easy to clean! just remove the basket to empty. And it's Dishwasher Safe