Hardware Essentials 5/16 in. Opening Stainless Steel Safety Spring Snap Link (3-Pack) 852026.0 - The Home Depot

National Hardware N100-262- 5/16-in x 2-3/8-in Interlocking Spring Snap in Zinc Plated in the Chain Accessories department at

Hardware Essentials 1/4 in. Opening x 2 in. Length Zinc-Plated Safety Spring Snap Link (10-Pack) 321650.0 - The Home Depot

National Hardware N100-262- 5/16-in x 2-3/8-in Interlocking Spring Snap in Zinc Plated in the Chain Accessories department at

Hardware Essentials 3/8 in. Opening x 2-3/4 in. Length Zinc-Plated Safety Spring Snap Link (10-Pack) 321654.0 - The Home Depot

Hardware Essentials 1/2 in. Opening x 3-5/8 in. Length Zinc-Plated Safety Spring Snap Link (10-Pack) 321658.0 - The Home Depot

Hardware Essentials 5/16 in. Opening Stainless Steel Quick Link (3-Pack) 852033.0 - The Home Depot

Everbilt 5/16 in. 316 Grade Stainless Steel Spring Link 41544 - The Home Depot

Carabiners - Chains & Ropes - The Home Depot

Everbilt 5/32-inch x 1 5/8-inch Zinc-Plated S Hook with 35 lb. Safe Working Load (30-Pac

National Hardware N100-262- 5/16-in x 2-3/8-in Interlocking Spring Snap in Zinc Plated in the Chain Accessories department at

Hardware Essentials 5/16 in. Opening Stainless Steel Safety Spring Snap Link (3-Pack) 852026.0 - The Home Depot