Ridgid 48645 500B Style Bolt Threader Dies, RH High-Speed 7/8"-9 UNC [New]

Model Number: 48645. Type and Compatibility: BOLT DIES FOR 500B 1/4-1 AND 531 AND 541 DIE HEADS. Alloy Type and RH/LH Designation: RH High-Speed. Thread Size and TPI: 7/8"-9. Thread Type: UNC. Ridgid 48645 500B Style Bolt Threader Dies, Right Hand High-Speed 7/8"-9 UNC. Ridgid. The Ridge Tool Company. 48645.