17-Ft., Aluminum, Type IA Multi-Purpose Ladder, 300-Lb. Duty Rating, Quick Activating Snap Lock Hinge, One-Man Set-Up, Heavy Duty Locking Pins, Multi-Positioning, Meets OSHA, CSA, & ANSI Standards, Will Work As A 4-Ft.-7-Ft., Step Ladder, 9-Ft.-15-Ft., Extension Ladder or 1-Ft.-3-Ft., Scaffold, Extra Wide Flared Bottom For Stability, Features A Telescoping Design For Maximum Versatility,