Tenders for Supply of Aluminum Trolley Step Ladder- 6 Ft. Height With Wheels With Following Specification : Height Till Platform - 6 Ft., Height Till Railing Top - 8 Ft., Top Platform Size- 18 Inch X 24 Inch, Base Width- 24 Inch, Base Length- 5 Ft., Step Width- 4 Inch, Wheel Dia. 6 Inch Front Two Nos Swivel Type With Lock Material- Base Frame - Gi Or Aluminum, C Section Thickness - 3 Mm, Hand Rail - 1 Inch Aluminum Pipe With Grip, Working Load Capacity - 150 Kg