The Little Giant Velocity Is Constructed Of A Special Alloy That Makes It 20 Percent Lighter Than Any Comparable Industrial-Rated Ladder. The Velocity Also Includes Several Innovative New Features Such As The Dual-Pin Hinge And The Easy-To-Use Rock Locks For Quick Adjustment. The Velocity Can Be Used In Many Unique Configurations As An A-Frame, Extension, Staircase And 90-Degree Ladder And With Velocity Trestle Brackets (Sold Separately) To Form A Trestle-And-Plank Scaffolding System. The Velocity'S Wide-Flared Legs And Aerospace-Grade Aluminum Construction Provide An Unmatched Feeling Of Safety And Stability.