ISO 9001 certified Heavy welded all steel construction for maximum rigidity Silence electrical motor Quick release top roller Two rolls are driven Precision ground rollers 1” roll opening All three rolls are made of high grade alloy steel, hardened up to 50 HRC All rolls run forward and reverse Safety type removable foot pedal Overload protection and disconnect switch One year warranty for parts Rolling capacity: Mild steel Stainless steel Soft aluminum Min. thickness capacity 50"x16Ga. 50"x22Ga. 50"x11Ga. 50"x26Ga. Rolls size, length x dia Min. roll bending dia. capacity 50”x 3” 3 1/2" Rolls speed201” / min.Rolls opening¼”(3) grooves sizes5/16”, 3/8” , ½”Main motor1 HP, 220V/440V, 3PHNet weight828 LBSMachine dimensions, LxWxH 68x28x47”