Crosby BLC & BLA Closed Swivel Bail Golden Gate Hoist Hooks are for use where hoisting line or shackle can be inserted into the bail. They are suitable for infrequent, non-continuous rotation under load.  Use in corrosive environment requires shank and nut inspection in accordance with ASME.

BL-C - with self-closing gate.
BL-A - with manual-closing gate. 

The Crosby Open Swivel Bail hoist hook is for attachment to a link chain.They are suitable for infrequent, non-continuous rotation under load. Use in a corrosive environment requires shank and nut inspection in accordance with ASME B30.10-1.2.1(b)(2)(c)2000.   

BL-E - with Self-Closing Gate.
BL-G - with Manual-Closing Gate