Grade 100 foundry hooks from Zip's are typically used on chain slings and include an eye loop for attachment to the chain with a coupling link. Approved for overhead lifting, they are available in three capacities with the size stamped on the side of each hook. See
the drop-down menu for available sizes and working load limits.
    -  Grade 100
    
-  Three sizes available
    
-  Approved for overhead lifting
    
 
 Specifications:
 
 
        
        
        
        
        
        
        
            
                | Size | Minimum Break Strength
 | Working Load Limit
 | Safety Ratio
 |  
                | 3/8" | 35,200 lbs | 8,800 lbs | 4:1 |  
                | 1/2" | 60,000 lbs | 15,000 lbs | 4:1 |  
                | 5/8" | 90,400 lbs | 22,600 lbs | 4:1 |