Produced from high-grade stainless steel material (AISI 316) allows rust resistance along with corrosion resistance which is crucial when working sea-side. Aboard ships, vessels, yachts or even cruise liners this swivel offers key features such as: 360 degree swivel function eliminating any possibility of knotting or twisting or either chain or rope. This swivel is opened and closed using a hex key, eliminating any unwanted unattachment when in use whilst allowing the user to determine the tightness of the pin rather than simple hand tightness. A firm favorite within the marine industry our wide range of swivels are sure to perform for a long time safely and efficiently.