Suncor Stainless Manufactures The Universal Anchor Swivel. Our Stainless Swivel Is Precision Cast And Made From Grade 17-4 Ph Stainless Steel For Maximum Corrosion Resistance. This Component Swivels 360 Degrees And Is Equipped With A Solid Bronze Thrust Washer And A Stainless Steel Screw Pin. Multiple Sizes Are Available To Fit 1/4" To 3/4" Chain.