Features: 1. 100% brand new and high quality. 2. Ideal for auto repair and machinery where metric threads ( Just a hand tool,can not fit power tool) 3. Small size and portable. 4. Easy to carry, it can be operated freely in a small space. 5. Practical and convenient. 6. Alloy steel material, it is very durable. Specification: Material: Alloy steel Standard: Metric 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: 20pcs Tap And Die Set.