ROLLING SWIVEL 1.stainless steel materical 2.higher strength ROLLING B-COMBINATION SWIVEL1.stainless steel material2.higher strength3.all sizes are available3.swivel:barrel swivels,rolling swivels,speedy rolling swivels,crane swivels,ball bearing swivels4.snap:interlock snap,italy snap,safety snap,germany snap 5 style: rolling B-combination swivel cross-line crane swivel