Downtown Pet Supply Classic DOG LEASH COUPLER, 2 way coupler, walk two dogs (4 inch, 12 inch or 24 inch) This coupler will allow you to walk two small dogs on one leash, eliminating multiple leashes in hand. 4" x 1/2" Each side of the 4" couplers are 4 inches long (1/2" wide), separating dogs by up to 8". High quality swivel clip hardware. Professionally packaged with Downtown Pet Supply Logo Clips have swivels, making walking even easier and more efficient