Feature: 1. 100% brand new and high quality. 2. 20pcs tap and die, it's easy to carry. 3. Alloy steel material, it is very durable. 4. This set has a box, which can storage thread tap and die. Specification: Type: Tap And Die Set Material: Alloy Metal 20pcs Tap And Die Size: 9pc Thread Taps: 4NC40, 6NC32, 8NC32,10NC24,1/4NC20, 5/16NC18, 3/8NC16, 7/16NC17, 1/2NC13 9pc Thread Dies: 4NC40, 6NC32, 8NC32,10NC24,1/4NC20, 5/16NC18, 3/8NC16, 7/16NC17, 1/2NC13 1pc Adjustable Tap Wrench (1/8" -1/2" 3mm-12mm) 1pc Adjustable Die Wrench Note Please allow 1-3mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Including: 20pc Tap And Die Set.