ADDITIONAL INFO: . . ALIGNING ARBOR, USED IN CONJUNCTION WITH A MASTER DIE TO CHECK THE HOLDING JAW CONCENTRICITY WITH THE SPINDLE (QUILL) OF A LEONARD, CONRAC, PHI, CLARKE & LEWIS MODEL 2C, 2CP, 2CPV, 2SD, 3CP, 3CP-HD, 3CPV TUBE END FINISHING MACHINE . MANUFACTURED BY PACIFICA TUBE BENDER TOOLING, INC. . .