1. Material: chrome molybdenum steel
2. Specifications: 15/17/19/21/22 mm
3. Weight: about 950g/set
4. Size: about 28x20x8 cm/set
5. Standard: metric
6. Surface treatment: color plating
7. Scope of application: automobiles, motorcycles, ships, repair tool shops, etc.
8. Features: beautiful and practical, easy to use, complete specifications, simple operation, high strength, durable, wear-resistant and rust-proof, wide applicability