Kraus ST-4 VersiDrain Stainless Steel Sink Strainer Drain Assembly Flip Cap, New, Never Installed. Width: 4-1/2", Height: 2-5/8", Connection Size: 1-1/2". Constructed of stainless steel, Removable strainer traps food and debris, Tailpiece included, Decorative stainless steel cover included, Fits standard 3-1/2" or 4" drain opening.