Introducing the Allen 30mm Dynamic Block with Fiddle Cleat and Hook - perfect for lightweight vang systems and specifically designed for the RS Feva lower vang system. This block boasts an A.677 cam cleat with a reliable over fairlead, providing secure and smooth operation. Its built-in hook and swivel allow for versatile use, ideal for changing pulling forces. Featuring our patented bearing system, this block utilizes twin rows of stainless-steel ball bearings on a stainless-steel rail, offering exceptional load-carrying capability and longevity. The secondary fiddle sheave, equipped with ball bearings, allows for an inline purchase system for smaller, lower loaded applications. Plus, with a removable clevis pin, this block can also serve as a becket for tying off.