The proven smart-sensing Tri-Tronics technology puts training in the palm of your hand. These durable e-collars are meant to last and Double U offers used and refurbished training collars and parts at a discounted price.

In addition to a selection of used e-collars, we have e-collar parts such as receivers, contact kits, batteries, and chargers.

The Double U team carefully checks every used item before sale and honors a 30-day warranty.

Look through our current inventory of used e-collars and parts. If an item is out of stock, please check back soon, we are always adding products to the list.