
Irwin's Performance Threading System (PTS) - Innovative new tap & die drive tools include several time saving features
Self aligning taps and dies - less chance of cross threading plus better thread cutting quality and greater thread cutting ease
Taps feature new Chip Breaking Technology (CBT) - up to 30% easier to break chips
Dies feature more steel at critical points for additional strength
Sets comes broken down into individual tap, die, and drive tool modules that easily fit into any tool drawer
Includes 5 Pc PTS Drive Tool Set (No. IRW 4935055)
Includes Fractional Taps and Fractional Dies in sizes 4 to 1/2" in both NC (coarse) and NF(fine) thread pitches
