Physical therapy parallel bars. Unit can have manual or electrically powered adjustments. Bar height is adjustable from 25" to 40" and the bar width is adjustable from 16" to 25". Hand rails are chrome plated 1-1/2" steel tubing. Walking aisle is a minimum of 24" wide and finished in natural wood or covered with vinyl matting. Database information reflects 10' or 12' bar length electrically powered units.