thkfish 200Pcs/500Pcs 9mm/10mm/12mm Split Rings for Blank Lures Crank Bait Hard Bait carp Fishing Tools Double Loop Connector Stainless steel material, double circle, corrosion resistant, strong tension Perfect for Use with Lures, Rigs and Leaders Model Number: Split Ring Size: 9mm-10mm-12mm Design type: Double rings Corrosion-resistant and quick to spring-back after opening.