High hardness and durability Die can be installed in die wrench using manual processing threads can also be mounted on the die holder on the machine to use Titanium Nitride Coated: Add an extremely hard to the tool and prolong it's life by 3 times. No Rust Suitable for mold machining Colour:Gold + Silver Material:High speed steel Package Contents: 1 x 1/2-28 Titanium Coated Thread Tap 1 x 1/2-28 Round Thread Die Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.