The KBRA blocks are made of the most successful features from the other KBR blocks: an ultra lightweight and compact lashing block capable of handling high loads (1.5 to 40T), with the lowest friction ratio possible (2%). All of the KBR blocks feature titanium sheave and roller bearing as well as ceramic ball bearing for side loads. The KBRA blocks set themselvese apart with machined aluminum side plate, offering the perfect compromise between resistance to wears and tears and weight