The Mustad MA100 Stainless Steel Ball Bearing Swivels are the dependable main line to leader connection you need when trophy fish are on the line. These swivels are built from high strength stainless steel that won’t corrode in saltwater environments and feature a polished stainless steel ball bearing for uncompromising smooth mobility. The two welded rings offer superior strength under heavy loads, allowing anglers to fish these swivels out in the canyons with confidence.