Werner D1220-2 20' Type II Aluminum D-Rung Extension Ladder Height: 20' Capacity: 225 lbs. Type: Extension Ladders Specifications: Reach Height: 19' Max Working Length: 17' Duty Rating: Type II Duty Rating Material: Aluminum Rung Type: D Foot Material: Slip-resistant pad Number of Sections: 2 Certifications: ANSI A14.2 (2007); OSHA Approx. Cu. Ft. Per Unit: 7.2 Rails: 3 Flange: 1 Rung Depth: 1-3/4 Fly Width: 15-1/4 Base Width: 17-3/8 outside rails