7 Ga. x 10' Brand New Birmingham Double Pinch Hydraulic Plate Bending Roll, Mdl. RH-1004, Hydraulic circuit features overload protection, and is fully enclosed for low noise and leak-proof, Three rolls are independently driven by hydraulic power, Each lower roll is hydraulically adjusted for pinch, ach lower rolls is equipped with a handy LED indicator, allowing operator to identify its reference position, Hydraulic pinch adjustment is easily made by reading on the LED indicator, Portable controller around the machine provides convenience in rolls forward/reverse/pinch adjustment, All rolls are manufactured of high quality allow steel, and hardened to HRC55°, All rolls employ high quality spherical roller bearings with sealed to prevent dusts invasion, Made In Taiwan, #SMRH1004