1. Put the key ring on the belt, put the key on the key ring, and stretch it out to open the door during use 2. Let go when not in use, and automatically rebound to the waist to avoid frequent key loss caused by random throwing away 3. Material: stainless steel 4. All imported steel wire rope (1.1mm diameter) outsourcing high-strength resin material 5. Thickened high elastic spring 6. Size: 4 cm in diameter 7. Weight: about 34 grams 8. Note: do not pull the wire with excessive force, which may cause the feedback spring to malfunction
