The large Gerber Defender Tethers is a hardy feature packed tether with a retracting Dyneema cable. They can be used with just a fingertip's touch and offer compact reliable security for your most-used fishing accessories. Designed for years of service with a corrosion-resistant anodized aluminum body and anodized aluminum Tip Control carabiner. The smaller compact model features an interior slip lock system to hold the carabiner in place and the larger one has a patented side lock system with override allows you to set or reset the cable length in an instant. 
 
Patented side lock system with override