20', Fiberglass Type 1A Extension Ladder, 300 LB Load Capacity, Includes Pro Top, A Multi-Functional Top Designed To Increase Productivity Featuring Corners & Poles, Soft Non-Marking/Non-Marring Rubber Tread, Quick Latch Meets OSHA, CSA & ANSI Standards, Non-Conductive Fiberglass, Rope & Pulley, Outside Slide Guides, Integrated Work Tray With Tool Slots & V-Shape Design For Greater Stability On Building.