Suncor Stainless manufactures the 360 degree anchor swivel. Our stainless steel chain and anchor swivel shackle is precision cast and made from grade 17-4 PH stainless steel for maximum corrosion resistance and durability. It 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.