Stepstone, Inc. is proud to offer a variety of precast concrete products for your next project. Please review the photo galleries, color charts and architectural details. Mouse over to highlight photos. Click thumbnails once to enlarge. Classic Precast Concrete Pool Coping by Stepstone, Inc. is a complete precast concrete pool coping system. Review our Pool Coping Details for a complete description of the system parts and a listing of standard sizes including radius pieces.