The Wichard Proline range has been designed for increased safety, outstanding ergonomics and is lightweight. The Proline tethers are compliant with ISO 12401:2009 and available in 4 models. It's ErgoLockSystem automatically closes and locks the snap hook. The retro-reflective webbing makes it visible at night and the tethers have an overload indicator with shock absorbers (OSR-ISAF Offshore Special Regulations).
Proline User Manual