The 15"x 1/2" prong collar attachment is 5.5" and the backup attachment is 9.5"
The 10"x 3/8" prong collar attachment is 2" and the backup attachment is 4".
The coupler is made of English bridle leather at a width of 1/2", with nickel-plated hardware. Designed so your prong collar is attached to one trigger, and the backup collar to the other trigger. The prong collar attachment is short enough to allow you to administer an effective correction without the backup collar attachment interfering. In the event your prong collar comes apart, the backup attachment prevents your dog from escaping.
Hand-crafted leather products are made in-house.