- Capacities 1/3 - 55 metric tons, grade 6
- Forged - Quenched and Tempered, with alloy pins
- Working Load Limit and grade 6 permanently shown on every shackle
- Hot Dip galvanized
- Fatigue rated
* NOTE: Maximum Proof Load is 2.0 times the Working Load Limit (WLL). Minimum Ultimate Strength is 6 times the Working Load Limit.
| Brand | Crosby |
| Size | 5/16" |
| WLL | 3/4 Ton |