Hammerlock + Safety Hook for Trailer Chain

Hammerlock size: 

7/8mm WLL 2000kg, Breaking Force 8000kg

Safety Hook size:

6mm WLL 1120kg, Breaking Force 4480kg

Each kit contains:

4pcs 7/8mm Hammerlocks (Hammer pin included) 
2pcs 6mm Safety Hooks with Safety Latch 

Overall Breaking force is 4480kg as:

A chain is as strong as the Weakest Link

See the picture for how they are connected. 

Max 2900KG Aggregate Trailer Mass (ATM) 

suit for Caravan/trailer/Camper up to 2900kg! 

7/8mm hammerlock for chain & hook, 7/8mm hammerlock for tow bar

6mm self lock safety hook.

How to and Why – Tagged "Hammerlock"– George4x4 4WD Recovery Gear

FEATURES:

• All Meet Grade 80 standard with Figure Tested over 20000 times
• AS 3776 Compliant
• Made of G80 Steel
• Test Certificates Available Upon Request
• Marked With Chain Size / Grade / and Manufacture Code (tracking code)   
• Item # indicated in the dimension figures

Reference information for trailer chain (from official website of Government QLD/NSW/WA/SA/etc...)