Swivel Head – A built-in swivel allows this block to swivel once attached. ideal for applications where the pulling forces may change direction. The swivel cannot be locked.

Bearings – Dynamic Blocks feature our patented bearing system which uses twin rows of stainless-steel ball bearings running on a stainless-steel rail. This provides a superior load-carrying ability and longevity when compared to other bearing systems which run on a plastic rail.

Fiddle – The fiddle is a secondary smaller sheave which can be used to create an inline purchase system for a smaller lower loaded application. The fiddle features ball bearings.