sgoda chain dog training choke collar, 304 stainless steel, total length 26 in, 4 mm sgoda material: 304 stainless steel/sus304<br><br> size: length 25 inch after the chain collar get it together.<br><br> leash attachment: o-ring attachment, easy on and put off<br><br> safe and effective way to train your dogs with our chain collar , designed to tighten under tension, correct the wrong behavior by pulling the leash with a gentle but effective feedback<br><br> <b>size guide</b>: for choke collars, measure the circumference of pet’s neck and add 2"–3"<br><br> 2.0 mm thikcness,0.8" loop width, adjustable from 12" to 15"<br><br> 2.5 mm thikcness,1.0" loop width, adjustable from 15" to 19"<br><br> 3 mm thikcness,1.2" loop width, adjustable from 18" to 21"<br><br> 3.5 mm thickness,1.4" loop width, adjustbale from 19" to 23"<br><br> 4 mm thickness,1.6" loop width, adjustbale from 20" to 25"<br><br> safe effective dog training tools with proper use, these training collar provide a heavy-duty safe alternative to standard choke chains<br><br> for dog relate product please search brand<b>‘sgoda’</b>