Hillman 4-in Nickel Plated Double Ended Bolt Snap in the Chain Accessories department at

Used to connect two pieces of chain or to connect a fitting to chain. Assembly requires fitting the body rivets of one half into the openings of the other half and then peening the rivets to lock the halves together. Industry standards recommend using one size larger than the chain being joined. Used with chain of equal or lower working load limit. They are easy to install and are hot-dipped galvanized for durability and excellent corrosion resistance.

Hardware Essentials 5/16 in. Thick x 1-3/4 in. Length Hot-Dipped Galvanized Forged Steel Connecting Link (5-Pack) 322030

KingChain 2 Heavy-Duty Galvanized Steel Security Snap

Round fixed eye quick snaps are designed to secure a rope or strap. Ideal for boat, coastal, and wet applications. Swivel eye eliminates tangling or twisting of rope or chain.

Hardware Essentials 3/4 in. x 4-3/8 in. Stainless Steel Round Swivel Eye Quick Snap (3-Pack)

Hillman 4-1/8-in Solid Brass Double Ended Bolt Snap in the Chain Accessories department at

National Hardware N100-272- 4-9/16-in Double Bolt Snap In, 41% OFF

Uporstvo 8Pcs Zinc Alloy Trigger Chain - Double Ended Bolt Snaps Hook 3.5inch - Trigger Chain Metal

Hillman Hardware Essentials 1/4 in. x 3-7/16 in. Bolt Snap with Open Fixed Eye, Brass Plated - Yahoo Shopping

Koch Industries 163B Bolt Snap Double Ended Bronze 4-3/4 4437736

Hillman Hardware Essentials Double Ended Bolt Snap Nickel (4in.) 6 Pack at Tractor Supply Co.