Irwin Hanson High Carbon Steel Plug Tap 12 *Sub Brand: Hanson *Material: High Carbon Steel *Metric or SAE: Metric *Product Type: Plug Tap *Tap Size: 12mm-1.50 *Number in Package: 1 pc. *Usage: Auto Repair and Machinery *Length: 6.25 in. *Packaging Type: Carded *Number of Flutes: 4 *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 *Use with "Z" drill bit