Sprenger Black Stainless Steel Prong Collar Size:1.5mm Micro - 12" (Fits 11" Neck) with O-Rings Collar is 20" in length

Collar is 20" in length and will comfortably fit a dog with an 18" neck

It's difficult to achieve consistent behavior in trials if the dog knows exactly when the reward is present or not

Fully waterproof

Available in 7 fun colors this toy also makes an excellent all purpose reward

Sprenger Black Stainless Steel Prong Collar Size:1.5mm Micro - 12" (Fits 11" Neck) with O-Rings Collar is 20" in lengthMade in Germany from anodized stainless steel Available in three gauges Famous Herm Sprenger quality [split] Herm Sprenger prong collars have long been considered the gold standard for prong collars. These collars are made in Germany from high quality stainless steel and anodized black. The black color blends nicely with dark colored dogs and helps reduce the visibility of the prong collar for sensitive environments. Prong collars can be adjusted for