Sampo BX3RZ Black Ball Bearing Swivel Only 12CT 60 lb. Test Made in USA Shimano 20 psi maximum nominal input

20 psi maximum nominal input pressure-protected for 40 psi pressure spike

as the system adds magnets to the interior of the reel lowering the inertia of the spool during the cast decreasing the chance of a birds nest

angled head design

To that end

Sampo BX3RZ Black Ball Bearing Swivel Only 12CT 60 lb. Test Made in USA Shimano 20 psi maximum nominal inputSampo Ball Bearing Swivels Every time your fishing line gets a twist in it between the rod and the lure or the rod and the fish you are catching, it weakens. If the twists are few, the weakening is negligible, but as the number of twists in the line increase, the weakening becomes increasingly more substantial. Eventually the line will break easily and unexpectedly. One solution to the problem is to install a ball bearing swivel between the rod tip