Sprenger Stainless Steel Prong Collar with Click Lock and Martingale Chain Size:3.25mm - 23" (Fits 21" Neck) Available in multiple lengths and

Available in multiple lengths and measured from end ring to end ring in centimeters

No exposed hooks or wires

Made from stainless steel

6' total length

Break strength of 500 lbs

Sprenger Stainless Steel Prong Collar with Click Lock and Martingale Chain Size:3.25mm - 23" (Fits 21" Neck) Available in multiple lengths andMade in Germany from stainless steel Quick release Click Lock buckle Finished with Martingale chain Available in two gauges Famous Herm Sprenger quality [split] This collar from Herm Sprenger Germany incorporates both the ease of use of a quick release Click Lock Buckle and the functionality of a Martingale chain in the same collar. Sprenger has replaced one of the end links on the assembly chain with their Click Lock buckle making for easy on and off