1. Straight and curved models available. 2. Two sizes available. 3. No heat stress on rungs from construction welding. 4. Side rails hold rungs in place. 5. Replaceable components - no welding required, just a wrench. FEATURES: - Built for both affordability and function. - Folding models available (lengthwise). - L style rungs and side rails for better traction. - Heavy duty side rails. - Durable interlocking construction eliminates welds and rivets. Free Shipping No Sales Tax Lowest Price Guaranteed