This Plain Bearing Single Block With Hook from Allen Brothers is the perfect solution for take up systems or systems that don't require friction reduction. For optimal performance, consider using our Dynamic block range. Constructed with recycled plastics, this plain bearing block features an acetal sheave that rotates around the central axle, providing a long lifespan and minimal maintenance. The fixed hook allows for quick and easy attachment, making it ideal for outhaul and cunningham systems. Use the built-in becket as a tying off point for added convenience.