Instant purchase OK. No comments needed. Half choke hardware, size L x 2 Size: Chain approx. 210mm Ring inner diameter approx. 20mm, outer diameter approx. 25mm Ring width 2.5mm Recommended for medium to large dogs. Recommended for making handmade collars for your dog. Strength tested and measured by a public institution. Although a new, unused item, there may be fine scratches due to the nature of the material. Please understand this before purchasing.