6'L X 12-1/2'H Steel Scaffolding Unit

6'l x 12-1/2'h steel scaffolding unit - 309102 rugged 1-1/2" square tubular steel construction. height can be adjusted by a single user easily and without tools at 2" increments. height adjustment mechanism is surrounded by a protective d-ring for safety. the four 5" swivel casters will not roll or swivel when locked. rungs spaced on 12" centers. this model also includes a guardrail, toeboard and outriggers with 4 additional casters for safety and stability. ul listed.