Screw Cap: The clip with the screw on the back is easy to attach and does not easily fall off the items it is attached to. You can use the retractable lanyard with the clip attached to belt buckles, bags, lanyards, backpacks, and other portable bags. Thicker Steel Wire: The improved steel wire in the retractable keychain is thicker, which is much larger and stronger than others. The diameter of the keychain is 4 cm. The steel wire is about 70 cm long. Since it is improved, it is not easy to break. Professional Design: The retractable cord allows you to pull out your ID card without removing it. You can also open doors without taking the keys off your belt. This will make your life much more convenient. High-Quality Material: Metal zinc alloy design, corrosion-resistant, wear-resistant, durable, thicker steel. After tens of thousands of pull tests, the steel wire is not easy to break. Excellent quality can significantly improve the lifespan of the high-performance keychain. Wide Application: Since the keychain's keyring can be used to attach an ID card holder, keys, etc., it is suitable for employees, nurses, sports events, security personnel, police, military, government, teachers, students, managers, factory workers, outdoor enthusiasts, etc. Product Description Size Name: Round Why do you need to buy the upgraded Ragzan retractable keychain? 1. Thicker Retractable Cord: This is an updated version of our retractable keychain. The retractable cord is thicker and much stronger than others. The retractable cord is suitable for all occasions without you having to remove your keys or ID card holder. The thicker cord is much stronger and harder to break. 2. Easy to Wear and Take Off: The retractable keychain can be attached to clothes or pants. It will not damage your clothes and pants. Very easy to wear and take off. 3. Comes with a Keyring and a Strap for Easy Use: The detachable keyring is equipped with a small keyring and can carry a set of keys when you go out. You don't have to be afraid of losing your keys. There is also a strap that allows you to carry your ID card holder, ID card, etc. 4. Wide Application: The retractable keychain is popular among nurses, office workers, police and fire departments, maintenance personnel, security teams, and security personnel.