Allen 20mm Dynamic Triple Block With Small Allenite Cam Cleat and Becket.

Our Dynamic range is generally the best choice for applications that require constant sheave movement.

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.

Ultra-Strap - Our patented Ultra-Strap is used in our 20, 30 & 40mm Dynamic blocks. The Ultra-Strap is unique when compared to other designs because of its coining process. This process strengthens the strap, making it more reliable and hard-wearing as well as making it much more rope friendly than other designs. The Ultra-Strap was the first marine industry block designed to work specifically with a rope attachment.

Becket - This triple block features a rope friendly becket (tieing off point).

An ideal product for use as a halyard, Vang, Cunningham or rig tensioner.