The design of the Rocker aluminium rope grab enables fast movement on the semi-static lanyard, even without the use of hands, and immediately locks in the event of a fall. The device integrates a cam which enables the device to be retained or to be used as a EN 358 positioning lanyard. Equipped with a cord to hold the connector, it avoids any unintentional fall of the connector. They are equipped with an Irucheck NFC chip for efficient equipment management and inspection. The following kits are available for this device: ROCKER kit 10m: 100308900022 ROCKER kit 20m: 100308900023 ROCKER kit 30m: 100308900024 ROCKER kit 40m: 100308900031 ROCKER kit 50m: 100308900032