Sprenger Black Stainless Steel Prong Collar with Click Lock and Martingale Chain Size:3.25mm - 23" (Fits 21" Neck) To upgrade an existing ET-300

To upgrade an existing ET-300 system to a finger trainer

Made from our high quality french linen

1 - Additional 1" Biothane Bungee Collar (Red)

This tool is designed as a passive barrier only and is not to be used to hit the dog

Fantastic for building prey drive in young dogs and strong enough to hold up and be used time and time again

Sprenger Black Stainless Steel Prong Collar with Click Lock and Martingale Chain Size:3.25mm - 23" (Fits 21" Neck) To upgrade an existing ET-300Made 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