Product Specification -304 Stainless Steel Quick LinkSize: M4, M5, M6, M8, M10Reliable energy - non rusting, high-strength metallic structure, burr free, water-resistant and corrosion-resistant, with stable working load capacity304 stainless steel - The chain short connector is fabricated from 304 stainless steel, which has high hardness, durability, wear resistance, corrosion resistance, and is not smoothly deformed. Do not rust when used in damp environments or fresh water.The attribute of screw lock hook - brief chain hyperlink is screw lock. You can turn the screw to fasten it, which is to create an enduring or transitority secure connectionExtremely humanized.Widely used - those heavy-duty brief hyperlinks are supreme for every single day life. It can be used for chain connectors, fence doors, swings, pet chains, sunshades, health equipment, or placing chandeliers. Quick hyperlink chains is also used for out of doors activities corresponding to camping, fishing, hiking, tourism, etc