Herm Sprenger Black Stainless Steel Prong Collar with O ring

Overview classical prong collar for dog training 2 O-rings to offer two ways of leash connection center plate for a balanced fit assembly chain for quick action fastener plates to increase the connection security customize the size by adding or removing links Black stainless steel - solid: increased rust resistance as it will not rust even if the surface is damaged reduced abrasion because of the galvanizing  process, so links won’t abrade even after years of use suitable for conditions of high humidity contains nickel, so will not do for nickel-reactive dogs suitable for dogs with dark fur only as may stain light fur has an extraordinary dark color and blends well with dark-coated dogs with continued use the color may lighten over time, however, the quality and strength is not affected by these changes This black stainless steel collar with a smart design consists of a center plate, assembly chain, 2 O-rings, and symmetrically arranged prongs. The center plate ensures an equal di