Strong,multi-purpose oversized screw lock binding rings are simple to use. Hinged design and threaded locking device hold securely floor covering samples, rugs, carpets, upholstery & swatches. Great application for frequent material changes. Also know as King Size Rings(KSR) or Dawson rings. Rotate around a ring and secruely hold them in place. Easy to add more swatches. Display samples easily.
