These sturdy and stable folding parallel bars with a 42" base require only 14" of floor space when not in use. Steel base unit comes with two stabilizing bars. To store the space saving bars, simply unlock and slide until handrails are nearly touching. Add 3 feet to length when folded. Wall Mounted Folding Parallel Bars Length 7'. Wood base is 42" L x 5" W. Height adjusts from 28" to 42" H. Width between rails 22-1/2" W. Handrail size 1-1/2" diameter.