Sure Grip Floating Safety Attachment demanet At slightly less than 1"

At slightly less than 1" thick it is designed to lay flat so as not to become a visual cue for the dog

K9-400/K9-402/K9-400-Plus Systems

0mm prong collar with all links in

Features the IQ Dogsport patented convertible chest pocket system

Sure Grip Floating Safety Attachment demanet At slightly less than 1"Made with 5 8" Sure Grip Overall length of attachment 12" O ring is 3 4" solid brass Will not fit over handles with o ring LEASH SOLD SEPARATELY [split] The Redline K 9 safety attachment fits over the handle of most nylon and sure grip leashes 5 8" or smaller. The attached o ring is is 3 4" solid brass and the overall length of the attachment is 12" end to end. Attachment will not fit over o ring in leash handle or leather with heavy braiding.