Pipe Rollers P2474 – “Pipe Roller for 1/2″ to 4″ Pipe” P2474-1, P2474-2, P2474-3, P2474-4 – “6-3/4″ thru 9-9/16″ Pipe Rollers” P2475 – “Pipe Roller for 6″ to 16″ Pipe” P2476 – “Pipe Roller for 16″ to 24″ Pipe”