,Model##Other##,Description##Other##,Unit Width##length##inches,Access Width##length##inches,Capacity##other##,Standards Conformance##other## "18"""" Wide",U-201,UPNOVR U-201 Roof Access Vertical Aluminum Ladder,18,18,1000 lbs per rung,OSHA and ANSI A14.3 "18"""" Wide Gooseneck",U-201,UPNOVR U-201 Roof Access Vertical Aluminum Ladder,18,24,1000 lbs per rung,OSHA and ANSI A14.3 "24"""" Wide",U-201,UPNOVR U-201 Roof Access Vertical Aluminum Ladder,24,24,1000 lbs per rung,OSHA and ANSI A14.3