Screw connection - x5 Make your life easier with this set of quick chain links! The manual screw closure is quick and easy to use and can hold up to 540kg per link! The versatile screw connection made of galvanized steel can securely fasten all protective covers (greenhouse tarpaulin, wooden cover, etc.) like a quick elastic band. They will also accompany you during your sports activities or camping trips. Always have screwed chain links at hand. Technical information Material: iron Link size: Length: 6.6 cm Width: 3.0 cm Weight supported: Max. 540 kg Colour: metallic grey Set of 5 quick screw connectors.