These are a 80 piece tap & die sets by ProForge. Each tap and die is made from alloy steel. These sets include an adjustable tap wrench, die stock, screw pitch gauge, and a screw driver.

• 40pc SAE from 1/4" to 1/2". Size range: 4-36, 6-32, 8-32, 10-32, 10-24, 12-24, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-13, 1/2-20, 1/8'' NPT pipe tap.
  
  
• 40pc Metric from 3MM to 12MM. Size ranged: 3-0.5, 3-0.6, 4-0.7, 4-0.75, 5-0.8, 5-0.9, 6-0.75, 6-1.0, 7-0.75, 7-1.0, 8-1.0, 8-1.25, 10-1.25, 10-1.5, 12-1.5, 12-1.75mm, 1/8'' NPT pipe tap.
  
  

The entire set comes in a case where each piece has its own place. Actual case received may be plastic or metal.