Steel Core 35.5 in. Heavy Duty Iron Chain with Keyed Padlock and Protective Polyester Chain Cover 73835 - The Home Depot

Everbilt #135 x 115 ft. Handy Link Zinc Plated Steel Chain 806470 - The Home Depot

The Steel Core Heavy Duty Padlock Chain provides exceptional security for bikes, boats, gates and much more. The chains are constructed of durable

Steel Core 35.5 in. Heavy Duty Iron Chain with Keyed Padlock and Protective Polyester Chain Cover 73835 - The Home Depot

Sash chain is flat chain, suitable for suspension of double hung sash, pulley applications, etc. Operates smoothly over pulleys.

Everbilt #35 x 100 ft. Zinc Plated Steel Sash Chain 806600 - The Home Depot

Master Lock Heavy Duty Padlock with Key, Hidden Shackle (Hasp Included) M736XKADCCSEN - The Home Depot

Grade G4. Oversized links on both ends. Note: Recommendations vary based on displacement of boat. For example, a heavy displacement boat would require a larger diameter chain.

Seachoice 44443 Anchr Lead Chain-Pvc-5/16X5Blk

Brinks Stainless Steel Shielded Lock 173-70001 - The Home Depot

Everbilt 3/8 in. x 3 ft. Case Hardened Yellow Zinc Plated Anti-Theft Security Chain 810602 - The Home Depot

Padlocks - The Home Depot

Everbilt #135 x 15 ft. Zinc Plated Steel Handy Link Chain 803102 - The Home Depot

Padlocks - The Home Depot

Camco Heavy Duty Steel 48 Safety Chain with Spring Hooks - Secures Tow Vehicle to Trailer, Class I 2,000 lb Capacity, Great for RV, Trailer, and Boat Towing