The bearing swivel freshwateris what could be an asset when a fish puts up a good fight. To make sure corrosion resistance,we use nickle to polish the surface of these snap swivels saltwater. You can use fishing snap swivels freely for various using and catching targets because of high strength power connecting. It could under high pressure from line or lure,corrosion resistance, rust resistance, abrasion resistance, high strength and durability.