The Nikon Retractable Rangefinder Tether is a spring loaded, retractable tether that will keep a rangefinder or other accessory close at hand, yet secure and out of the way when not in use.
Features a nylon-coated stainless steel cable and a stainless steel spring. Provides 25" (63.5 cm) extension, and it is rated retraction force is 60 lb, breaking strength.