Replacement 3/4 inch collar straps for most SportDOG Brand® training e-collars. Perfect for replacing old collar straps or differentiating each dog's collar. Simply remove the Collar Receiver from your dog's current collar and place it on the new strap.
Features: 44 tightly spaced holes to ensure correct fit Metal roller buckle for easy fastening on your dog Metal strap keeper for safety Waterproof and rustproof 28 inches long Compatible with these systems: FieldTrainer® 400, 400S, 425, 425S (SD-400, SD-400S, SD-425, SD-425S) SportHunter® 800, 1225, 1825 (SD-800, SD-1225, SD-1825) UplandHunter® 1875 (SD-1875) ProHunter® 2525 (SD-2525) HoundHunter® 3225 (SD-3225) UplandHunter Accessory Beeper (SD-BEEP) Compatible with these Add-A-Dog® Collar Receivers: SDR-A SDR-AB SDR-AH SDR-FS SDR-FH SDR-FC

