E-Collar Technologies K9-402 Plus K9 Handler Tactical E-Collar Color:Black Comfort and security are offered

Comfort and security are offered by Sprenger patented “ClicLock”

With insert for saliva saturation and slipping

This is a training dumbbell with a smaller grip to be used in training only

Nylcot is a firmer material

E-Collar Technologies K9-402 Plus K9 Handler Tactical E-Collar Color:Black Comfort and security are offeredE Collar Technologies K9 400 Plus K9 Handler Tactical E Collar The K9 402 Plus K9 Handler is the 2 dog version of the K9 400 Plus. It is a 3 4 mile range trainer loaded with unique features making it the most humane and effective trainer available with the smallest rechargeable dog training collar receiver in the world. But, don't be fooled by the small receiver size 2""X1. 5""X1"" 2. 4 ounce, it provides plenty of stimulation for most dogs. The