Mendota Check Cord 3/8" X 20'Mendota Pet Leads Check Cords Obedience 20 3 8 in x 20 ft Black (1cm x 6m) Open handle Made in the USA Introducing the Dog Trainers preferred leads, Mendota Pet Check Cords Obedience 20, the ultimate training tool for your furry companion! Made in the USA with the same multi filament polypropylene roping as all Mendotas Pet leads, these Dog Trainers check cords will help you bring out the best in your dog. Whether youre out in the field, competing, or