Sprenger Black Stainless Steel Prong Collar with Click Lock and Martingale Chain Size:3.25mm - 23" (Fits 21" Neck) Velcro® attachment on both sides

Velcro® attachment on both sides

Highly versatile targeting wedge

3 - Additional Sets of Standard 3/4" Contact Points

High power output (1-100)

3 G-hook loops on either side

Sprenger Black Stainless Steel Prong Collar with Click Lock and Martingale Chain Size:3.25mm - 23" (Fits 21" Neck) Velcro® attachment on both sidesMade in Germany from anodized 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