ZKC IWF Weightlifting Competition Collars have Olympic level of weight tolerance. The ZKC Competition Collars have collar opening tolerance of 0.2mm without negative tolerance. The weight tolerance is 10g, without negative tolerance.
They secure your barbells for world-record-level lifts. They have been chosen for Tokyo 2020 Olympics and they are IWF certified. Buy these IWF Competition Collars for free-shipping and receive them with our fast-shipping service.