B-stages from Grainger can be ideal for ladder jack applications, swing stages and catwalks. A double-end rung can provide extra rigidity on stages 20 ft. or longer. Aluminum extension planks made of 2" deep box section extrusions help provide outstanding rigidity in ladder jack, trestle ladder and step stool applications. Look to Grainger for scaffolding stages in a size and load capacity that can fit your application..