The TB-LOK2 ThunderLok Thunderbolt Cable Lock (Two-Pack) from Sonnet secures Sonnet's Thunderbolt cable to the Echo Express SE I and SEL chassis, preventing the cable from becoming unintentionally unplugged. It uses a thumbscrew to secure it to the Echo Express chassis' threaded hole and remains attached to the cable to prevent loss.

This item is a replacement part for the Thunderlok included with the Echo Express SE I and SEL..

• Secures Cable to Echo Express Chassis
• Integrated Thumbscrew
• For Echo Express SE I and SEL