✓ Deformation Indicators - Two strategically placed marks, one just below the eye and the other on the hook tip, which allows for a QUIC-CHEK® measurement to determine if the throat opening has changed, thus indicating abuse or overload.
✓ Angle Indicators - Indicates the maximum included angle which is allowed between two sling legs in the hook. These indicators also provide the opportunity to approximate other included angles between two sling legs.