Herm Sprenger Chrome Plated Steel Prong Collar. The Ultra prong collar is finished in high gloss chrome and comes with a fixed plate which reduces the chance of coming loose and your prong opening up while working. It is the most economical training collar that we offer.

3.0 mm (medium) links - 22 inch AVAILABLE IN SWIVEL or O-RING MODELS

3.25 mm (medium) links - 23 inch AVAILABLE IN O-RING MODEL only