Low cost scaffolding system. Set up on job site for painting, shingling, insulating, gutter work, masonry work, etc. Raised with positive action foot pedal and lowered by turning a crank. Adjustable to any height up to 30' and creates a 24" standing platform. Easy to set up and take down. Stores easily. Moves worker and materials to proper height for efficiency. To be used in pairs with Model No. 10110 (SKU 781010) pump jack braces and Model No. 2203 (SKU 781002) guard rail holders. Capacity: 25 lb. per sq. ft. with a maximum working load of 500 lb. For no more than 2 men per pair of pump jacks. Designed to be used with 2 straight 2"x4".