The V-TEC™ PFL Retractable Lanyard is the most compact & lightweight self-retracting lanyard ever developed in its class using multiple spring radial energy-absorbing technology. This new design eliminates the need for an external energy-absorber outside of the housing making it the smallest retractable lanyard in its class on the market.The V-TEC PFL Retractable Lanyard is the most compact & lightweight self-retracting lanyard ever developed in its class using multiple spring radial energy-absorbing technology. This new design eliminates the need for an external energy-absorber outside of the housing making it the smallest retractable lanyard in its class on the market.