Add 36 in. to 61 in. of length to your power stretcher or convertible stretcher with the Steel Stretcher Tube. This tube provides easy length adjustments in flexible 4 in. increments. The holes are punched, rather than drilled, for a smooth finish and operation. For use in large, open rooms, further lengthen your power stretcher or convertible stretcher with additional extension tubes. Features: Extends power stretcher length from 36 in. to 61 in. Durable steel for long-lasting, everyday use. Specifications: Size 36