Allen 20mm Dynamic Triple Block with Becket And Inverted Cleat
20mm Triple Dynamic Block With Inverted Cleat And Becket. Triple blocks are generally used in systems such as cunninghams or vangs, to give a larger purchase system. A.677 Cam Cleat - This block features an inverted allenite cam cleat with pro-lead. Ideal for ending a purchase system and holding the rope. Click here for cleat details. Becket Ð This block has a becket to make tieing off easier. The becket also helps keep the load central. Bearings Ð 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 Ð 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 mu