Tippet Rings with 2 mm diameter for all kinds of trout fishing. Breaking strength 12kg. Delivered with 10 rings on a snap Lock swivel that makes tie on/off secure and easy. Fasten the swivel to your pin-on-reel or retractor for handy storage. These are pure top quality Japanese tippet rings in black nickel for minimum glare and maximum stealth. 10 Tippet Rings per pack