Ridgid 67685 500B Style Bolt Threader Dies, RH High-Speed, 1 7/8"-4 1/2 in. BSW [New]

Model Number: 67685. Type and Compatibility: Bolt Threading Dies for 500B 532 542 Heads. Alloy Type and RH/LH Designation: RH High-Speed. Thread Size and TPI: 1 7/8"-4 1/2. Thread Type: BSW. Ridgid 67685 Bolt Threading Dies for 500B 532 542 Heads, RH High-Speed, 1 7/8"-4 1/2 in. BSW. Ridgid. The Ridge Tool Company. 67685.