Steel Dragon Tools 1/2" 3/4" 1" 12-R Ratchet Threader Kit fits RIDGID 12R Dies SDT 12R 1/2" - 1" Manual Ratchet Threader Set 1- Ratchet Head and Handle 3- Die Heads (1/2"), (3/4"), (1") 3- Alloy NPT Dies Sets (1/2"), (3/4"), (1")