TheRS-011B (67109) 3-in-1 Height Adjustable Material Support Roller Stand is an all-purpose power tool accessory designed to support and move heavy material, such as plywood sheets, 2x4's and similar lumber or pipes and tubing. The head features one large ball-bearing roller for gliding linear material during cuts and has a movable brace that can be used as a material stop. Mounted to the back of the material stop are eight small rollers move independently from each other, helping to move materials in any multiple directions with perfect alignment. The stand is also fully adjustable thanks to an easy-lock lever mechanism, with a working height range of 28 inches to 45 inches. The wide base features non-slip capped feet to help the support hold up to 150 pounds of material. The perfect jobsite companion, the support can quickly be folded up flat for compact storage and easy transportation.