IRWIN Tools Tap And Die Set, Performance Threading System, Deluxe, 116-Piece (1813817)
This IRWIN HANSON PTS 116-Piece Deluxe Mach/Fractional/Metric Plug Tap and Die Set features drive tools that can be inserted and removed with just a twist. Self-aligning taps and dies start and thread straight virtually every time. The ergonomic handles on the drive tools allow more comfort and control when threading.