All of Allen's Tii blocks are 20-30% lighter than the equivalent standard block. This dynamic ball bearing block that features patented dynamic ball bearing technology utilising high quality 316 stainless steel bearings that run on a stainless steel axel, providing unsurpassed dynamic load carrying ability.

At the top of the block is a rope friendly, smooth stainless steel ring which holds the block together, providing maximum strength and durability under load whilst completely eliminating block capsizing. 

Technical Specifications: