SHS Self-locking Hooks have the following advantages:
1. They made so that, if overloaded, they open without breaking.
2. The release trigger is fastened with double tubular rivets.
3. The spring is made from stainless steel.
4. Inside of hook opening is rounded to prevent damage to slings and
bands.
5. A smooth outer contour to avoid hitching.
6. When unloaded, the release trigger keeps hook open for easy loading.
7. When loaded the latch closes automatically.
8. Every hook is visually inspected and function tested before delivery.
9. The hooks are designed for use with the GM Chain Coupler.