Features： 1、304 Stainless Steel: Made of 304 stainless steel, it is strong and durable, and the heavy duty hammock hook provides more strong support for hanging. 2、Firm Connection: The welding is complete, the connection is firm, the hammock spreader is not easy to break, loosen, overflow, and the surface is slippy and free of burrs. 3、Snap Hook: Metal ring with spring door for quick and reversible connection of components, flat metal plate with protruding ring, all made in one piece, providing connection points, it is secured by screwing, bolting or welding in place. 4、Easy to Operate: This hardware kit is easy to handle and will accommodate most shade sails, with adjustable turnbuckles to help create tension. 5、Wide Application: Suitable for installation to wall, ceilings, floors, decks, trees, etc., suitable for indoor and outdoor swing chair suspension, hammock suspension. Specification： Item Type: Hammock Hanging Hardware Kit Material: 304 Stainless Steel Gross Weight: 204g / 7.2oz Package List： 4 x Expansion Tube 1 x Quick Hook 1 x Rotating Ring 1 x Quadrate Door Buckle 4 x Screw