The electronics retractable Gear Tether keeps electronics such as rangefinders, GPS units, phones and more secure and handy. Features a lock switch to stop retraction and removes tension from cord. The light weight zinc alloy carabineer attaches to nearly anything and the Green polycarbonate case with stainless steel retraction spring is built to withstand the elements of the outdoors. All us made retractable Gear Tethers are backed by our 1 year limited and lifetime service Policy.