- The Master Lock No. 5490 Key Tether features an extra long 36 in retractable cable allowing enough flexibility to access the door from a variety of portable and wall mount locations.
- The Tether is the perfect solution to make sure keys remain in the lock box after use.
- Easy to install with its permanent, high-strength bonding tape, the Key Tether is designed for use with our mechanical or Bluetooth enabled lock boxes (except models 5406, 5422, 5423).
- It provides a dual layer of protection by securing your keys to the lock box – ensuring your keys stay at the door.
- The Limited 2 Year Warranty provides peace of mind from a brand you can trust.