HappyPie 2PC Swing Set Quick Link Spring Clip, Snap Hook, Swing Set Hardware Porch Parachute Clip Play Set Connector Playground in Backyard Product Dimensions: 7.6*3.5*2 CM; 60g Grade 316 stainless steel has superior corrosion resistance and greater strength over grade 304 Versatile binding, rigging and anchoring hardware - allows fastest connect/disconnect Push gate in to open - auto-close spring gate with interlock tooth prevents load forcing open This is an inexpensive snap hook. It is stainless steel., simple Clip for swing seat trapeze ring