1. Application scope: Electric hoist and winch
2. Two shapes: single hook and double hook. Single hook is easy to make and convenient to use, and its lifting capacity is usually under 80t. When the lifting weight is large, double hook is a better choose for its load-bearing is symmetric.
3. It's lifting capacity is 5t to 500t.
Hooks can be casting hook and laminated hook. Laminated hook is safer, and its dead weight is larger. It's usually used to lift large weights and steel ladle.