Allen XHL Blocks are designed for extremely high loads without compromising their low load dynamic performance. XHL Blocks combine the Allen dynamic bearing technology - twin rows of stainless steel ball bearings running on a stainless steel axle - with a plain bearing peek washer.
XHL Blocks are commonly used on skiff boom vang cascades and spinnaker halyards and as Moth boom vang king post rotation blocks and boom vang cascades.
