This product comes with circuit breaker protector, weather sealed solenoid contactor, 4-way roller fairlead and heavy duty latched hook with thimble.    From Wordnik.com.  [Amazon.com Gold Box Deals]

In a section called upperworks, a term unfamiliar to me, a chock is called a fairlead, the function of a hank is not clear, nor is that of a turnbuckle, and what we on the East Coast call a jam cleat is identified as a "clam cleat.".    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol XIV No 1] Reference

4-way roller fairlead.    From Wordnik.com.  [Amazon.com Gold Box Deals]