J and S hooks with latches are forged in tempered steel class 8. They offer a safety factor of 4. It prevents loads accidentally falling.
M&W Lifting J Hooks
Lifting J-Hooks & S-Hooks
J-Hooks – Cargo Control USA
J type hook - 1257-1258 - LIFTEUROP - lifting / forged
J-HOOKS PRO FOR PRO SERIES Lacertosus
M&W 3/8 Alloy Latching J-Hook - 365 Lb. Capacity
M&W Alloy Steel Latching J-Hooks (Made In USA) - Olsen Chain & Cable
M&W Lifting J Hooks
NUOER 10 Pack E Track J Hooks, E Track Rail Hanger for Trucks, Garages, Trailer Trunks & Warehouses - E Track Accessories for Enclosed Trailer : Automotive
J-Hooks – Cargo Control USA
J-hook with latch, available in various sizes at MItari
J-hook with Linguet for slings - Lifting and Handling
Alloy Steel J-Hooks, Eye Style A, Lifting J-Hooks
Lifting J-Hooks & S-Hooks
J-hook with Linguet for slings - Lifting and Handling