Irwin  Hanson  High Carbon Steel  5mm-0.80 *Sub Brand: Hanson *Material: High Carbon Steel *Metric or SAE: Metric *Product Type: Plug Tap *Tap Size: 5mm-0.80 *Number in Package: 1 pc. *Usage: Auto Repair and Machinery *Number of Flutes: 4 *Length: 6.2 in. *Packaging Type: Carded *Straight flutes are ground to provide rapid chip removal for efficient threading *Designed for hand threading work in a variety of materials *Taps produce a class 2B thread *Discovery SUP, EXP