Features and Benefits: Etched: Tap size and recommended drill bit size are etched on each tool for easy identification; Point styles: Taper, plug, and bottoming styles are available; All Hanson taps and dies are made in USA; Precision ground straight flutes provide rapid chip removal for efficient threading; Designed for hand threading work; Taps produce a class 2B Thread; 1 to 1-1/2 threads chamfered ; Used when threads must go to bottom of hole; Ideal for all general-purpose threading; Ideal for tough threading work, routine maintenance, repair and for re-threading where high accuracy and tolerance thread is not critical;