General Intl offers the 50-166 flexible expandible roller stand. The 50-166 features four lockable 4-in. swivel casters and adjustable height legs from 23 in. to 36 in., with large-grip locking knobs for levelling on uneven surfaces. The roller stand can expand to a maximum length of 50 in., can be compacted to a minimum length of 14-3/4 in. for storage and has a maximum rated load capacity of 100 lbs.