Crosby S-314A Clevis Chain Hooks are made from forged alloy steel - quenched and tempered. This hook features a heavy-duty latch and has a large throat opening.
Specifications:

Chain Size: 1/4"-5/16"
Replacement Latch: 307-1291402
Working Load Limit: 4500 lbs (2 tons)
Design Factor 4:1