This optional 2 Step Unit for Stages is made of high grade plywood edged in vinyl T-molding. Polypropylene textured grey surface and handrails prevent users from slipping. The black frame is built with 14 gauge steel tubing and clamps securely to the stage at any point. Unit rolls on two wheels for easy set-up. Black/Gray finish. 36″W x 27-1/2″D x 48″H overall. 10 Year Limited Warranty.