Mophorn 24 in. Slip Roll Roller Metal Plate Bending Round Machine, Slip Roll Machine Up to 16 Gauge Steel, Sheet Metal Roller, Slip Rolling Bending Machine with Two Removable Rollers - Amazon.com
4" Heavy Duty Steel Slip Roller - Cammeck Equipment
2" dia X 4" Steel Roller | Roofmaster
Idle rollers : Free roller conveyors d32 p40 standard