Irwin  Hanson  High Carbon Steel  8mm-1.25 *Sub Brand: Hanson *Material: High Carbon Steel *Metric or SAE: Metric *Product Type: Plug Tap *Number in Package: 1 pc. *Number of Flutes: 4 *Usage: General purpose threading and drilling *Packaging Type: Carded *Length: 6 in. *Ideal for auto repair and machinery where metric threads are specified *Straight flutesare 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