Gamakatsu knows that your connection to the fish of a lifetime is only as strong as the weakest link, which is why they developed the Gamakatsu Superline Split Rings with an extreme focus on strength and reliability. Made in Japan using high strength stainless steel, the Gamakatsu Split Rings are built with rounded edges that prevent wear on your line, even during intense battles.Specifications and Features: Made in Japan High strength stainless steel Full size range available for any application Rounded edges protect against line damage