Size - 8mm shaft collars with set screw, 13mm outside diameter, 5mm thickness. Used for diameter 8mm Lead Screw and rod shafts. Durable Construction - Made of 304 stainless steel, high strength ...

The good news is many, if not most, pups will change their behavior with consistent obedience training and a good dog training collar. I’d bet a truckload of Milkbones that not a single dog ever ...