Adjustable Coupler, 3/8 inch, 14-18 inches long 14-18 inches clip to clip. Each side adjusts from 6 1/2 - 9 inches. Use a nylon coupler to walk two dogs at once. ...more #EQPCA $6.50

Adjustable Coupler, 3/4 inch, 16-20 inches long 16-20 inches clip to clip. Each side adjusts from 7 - 9 1/2 inches. Use a nylon coupler to walk two dogs at once....more #EQPCB $7.50

Adjustable Coupler, 1 inch, 18-23 inches long 18-23 inches clip to clip. Each side adjusts from 8 - 11 inches. Use a nylon coupler to walk two dogs at once....more #EQPCC $8.50