Drag Specialties 530 Series O-Ring Chain The Drag Specialties 530 Series O-Ring Chain is designed for resilience and performance. Its quad-pin riveting enhances the overall strength and dependability by providing secure connection points. The chain is also fitted with durable O-ring seals that work to keep out contaminants and ensure lubrication is retained for longer life and smoother operation. Features: Features quad-pin riveting, tough O-ring seals, and solid bushings and rollers Improved wear resistance and strength Average tensile strength 9,500 lb. Weight saving with high tensile strength Pre-stretched at the factory Rivet style master link included Chrome chain features tough chrome plating on side plates Available in Chrome or Natural finishes