![5/16 inch Grade 80 Alloy Coupler Black](http://www.everythingtiedown.com/cdn/shop/products/detail_553845_516_peerless_g80_hammerlock_6a903648-9164-4aff-b553-5c3714433b91_{width}x.jpg?v=1627573837)
5/16 inch Grade 80 Alloy Coupler Black
- Grade 80 5/16 inch alloy coupler with drive pin and collar.
- 4,500 lb WLL.
For connecting 5/16 grade 80 chain and related hardware. Some people call these alloy couplers "hammerlocks" although Hammerlock is actually a brand name.