kneepads
kneepad side support assembly
base bracket
lockable
casters
5.Insert the kneepad side support assembly into the base brackets as shown above. The kneepads and arm curvature should be facing away from the lockable casters.
seat and cross bar assembly
kneepad side support assembly
6.Insert the seat and cross bar assembly into the tubes at the top of the kneepad side support assembly as shown above.