This 40 piece taps and dies set are made of high quality high speed steel. Can be used for a wide range of materials such as low carbon steels, stainless steel, copper, brass, aluminum, and plastics. Set includes coarse and fine threads.

Set includes the following items:

• 1 of each tap and die (1" Outside Diameter) 3-0.5, 3-0.6, 4-0.7, 4-0.75, 5-0.8, 5-0.9, 6-1.0, 7-1.0, 8-1.0, 8-1.25, 9-1.25, 10-1.25, 10-1.50, 11-1.50, 12-1.25, 12-1.50 and 12-1.75mm
• 2 Adjustable Tap Wrenches
• 1 Die Stock Holder 
• 1 Screw pitch gauge 
• 1 Screw driver
• 1 Case