Low-friction block | Block-Nub®
The Blok-Nub® friction sheave is a low-friction, sheave-less sheave with cover that withstands very high loads. Intrinsically lubricated, it can be used in a wide range of applications and on all types of non-aggressive ropes. Block-Nub offers a unique combination of advantages in terms of performance, durability and ease of use. It's an excellent choice for applications where friction must be minimized and strength maximized.