Collection: Hammerlock For Trailer Chain

Hammerlock serves as a legal part for trailer chain extension or safety chain for caravan campers and all other trailers.

Sizes available are 6mm with a breaking force of 4480kg, 7/8mm with a breaking force of 8000kg, and 10mm with a breaking force of 12600kg.

Size suggestions:

• For ATM 2900kg and below, use 6mm.
• For ATM 4400kg and below, use 7/8mm or 10mm.

As chain connector:

• Use 6mm hammerlock for 7/8mm chain or 10mm safety chain.
• Use 7/8mm hammerlock for 10mm chain or 13mm safety chain.
• Use 10mm hammerlock for 13mm safety chain.

As hook connector:

• Use 6mm hammerlock for 6mm hook.
• Use 7/8mm hammerlock for 7/8mm hook.
• Use 10mm hammerlock for 10mm hook.

If you are unsure about what size of hammerlock to choose or are having trouble assembling them, visit here to learn more.