1. Material: steel 2. Not easy to rust 3. Standard: metric 4. High hardness, thicker and longer 5. The opening is flat to protect the thread 6. The whole is polished and chrome-plated 7. Wrench shape: double-ended wrench 8. The tooth profile is stable and not easy to slip 9. Easy to deal with daily maintenance, one at most 10. Double-head specifications, which can replace various types of wrenches 11. Size: total length 270mm, application range 8-22mm, thickness 10mm, opposite side size 5mm, opposite side size 2: 6mm 12. Weight: 300g
