Originally designed for 2-Ply Web slings, the Crosby Web Sling hook can also be used with Round Slings as long as the Working Load Limit ratings are compatible. The new hook incorporates the following features: Eye is designed with a wide beam surface to help eliminate bunching effects. Reduces sling tendency to slide. Allows a better load distribution on internal fibers. All hooks feature Crosby‚¬„¢s patented QUIC-CHECK® indicators. Fatigue rated to 20,000 cycles at 1-1/2 times the Working Load Limit. Includes S-4320 latch.