TheXTEND+CLIMB CS165AS+ is the tallest, strongest telescoping ladder in the U.S., the Contractor Series greatly surpasses ANSI testing protocols, defining portable productivity, safety and durability. Elevate getting the job done with our patented True Telescoping Technology. These multi-position ladders extend and securely lock at the user's desired height for unmatched versatility. The CS165AS+ boasts a Heavy-Duty ANSI Type 1 Certification with a Load Capacity of 250 lbs., fully extending to 16.75 ft. and features automatic stabilizers and extra wide rungs. This model is comparable to a traditional 20 ft. Extension Ladder. Designed and built for professionals, but perfect for any DIY project. Material: Aluminum.