RIDGID 31115 48,Parts | 48,Ridgid® 44715 Jaw Insert Set, for Use with Ridgid® 300 Pipe Threaded, PT® 300 Pipe Threading Machine, Steel Alloy,E1666X Jaw Insert Set for 300 and 535 Threading Machines,E1666X Jaw Insert Set for 300 and 535 Threading Machines