TENNSMITH Model R22 with interchangeable rolls is a versatile forming tool for the manual performance of numerous sheet metal operations. This tool features a solid cast, enclosed frame and smooth meshing machine gears. Material can be fed through the rolls in either direction by selecting the proper arbor. The forming pressure of the rolls is controlled by the crank on top of the frame. This unit comes standard with rolls A, C, D, E and F listed on the chart below, a hand crank, spanner and bench stand.