Studio Ocean Mark Ocean Snap BB (Ball Bearing) features aswivel snap dedicated to medium / heavy spinning . Made of stainless steel SUS631 , it allows a quick and easy installation of stickbait , jigs and poppers . The relationship between size andstrength is really great ; in fact it allows to fight of great weight without any problems and especially without changing the swimming of the artificial view the very small size. It has been very difficult to get such a small accessory and such high values , but Studio Ocean Mark was able to secure a safe and practical carabiner.