After the finished height of the No-Caulk Shower Drain is determined as described in the installation instructions, the finished vertical drain height will be ¾” below that. Contact our customer service department and they will be happy to send you a copy of the instruction sheet and exploded view drawing. 
Stainless steel
#10 x ¼” 
The Closet Flange Spacer Kit is used when the finished floor of your bathroom is higher than the bottom of the existing toilet flange.
Yes. The Square Snap-Tite strainers can replace round Snap-Tite strainer.
Polished Brass / Satin Nickel / Satin Chrome / Antique Bronze / Rubbed Bronze / Matte Black
Yes. The Moss Bay Replacement flange is designed specifically for this application.
The flat side of the gasket should be at the bottom of No-Caulk drain body, seating onto the inside lip of the body. The beveled side of the gasket will be facing up.
The large rubber sealing washer will be placed up against the underside of the shower base, and the friction washer will be placed between the rubber sealing washer and locking nut. Contact our customer service department and they will be happy to send you a copy of the instruction sheet and exploded view drawing. 
The easiest way to remove the strainer is to weave a string or small wire through two openings near the edge of the strainer and pull straight up. It is not recommended that you pry the corner up because it could damage the shower base surface. When you are ready to reinstall the strainer, simply line it up over the drain body and press down evenly.