Rust Proof Stainless Steel 304 Long Link Chain Training Lead Drag Chain Outdoor Clothesline with Two Snap Hooks and Two Expantion Bolts with Hooks and One TurnbuckleChain Diameter: 3MM or 4MM or 5MMTotal Length of Chain and Snap Hook:1-20Meters Avaialbe (Please let me know if there is not the size you want)1. Long Link Chain Lead, Drag Chain Binding Chain 2. Two Stainless Snap Hooks Both Ends For Diverse Assembly3.100%Stainless Steel 304 For Every Part