The new TRI-Plate Roller single-pinch isometric design is hydraulically driven and is great for sheet rolling arcs and circles. The rollers are 48" long and 5" in diameter. It has dual driven lower rollers. The top roller is controlled up/down hydraulically and also to remove your complete 360 degree rolled material. You can roll down to a 6" diam-eter piece 360 degrees of 10 gauge mild steel. It is easy to operate forward and reverse rotation with the foot treadle.