NUCAST products are proudly and manufactured with precast concrete to provide ultimate durability and long-lasting beauty to your home, dwelling or structure. Our risers are sold in pairs and are made to exclusively fit NUCAST 3 ft. W (7 in.) and 4 ft. W (7 in.) rise precast concrete porch steps. (Please see our SEPARATE listings for these steps in order to complete your structure.) For a 2-high structure (holds 1 step and second step sits on the ground), you will need to purchase 1-pair of 2-hi (7 in.) risers (block-shaped risers) and 2 of our steps (either 3 ft. or 4 ft. W). For a 3-high structure (holds 2 steps and last step sits on the ground), you will need to purchase 1-pair of 3-hi risers (the "L"-shaped risers) and 3 of our steps (either 3 ft. or 4 ft. W). Save time and money hiring a contractor and do it yourself. Easy to install. For more information, please review the cut sheet in the product images for dimensions, weight and how to assemble. All of our products must be sealed with a high-quality and silicone-based sealer for ultimate protection. You can pick up a sealer from your local hardware store or online, if that's more convenient for you. We do not recommend using Any type of deicer (sodium chloride, calcium chloride, magnesium chloride, etc.) on our products. Color: Natural.