Rod straightener 7-24mm material diameter, steel construction with hardened steel rollers. Rollers are a sleeved bearing that is shielded for longer life expectancy. Suitable for ferrous and non-ferrous applications. This unit is in stock and ships with our standard V-groove rollers, and custom roller grooves can be made to order for tube and flat wire applications. A two plane version is also available for applications that require removal of both the cast and the helix from the material. Call or email us for more details.