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.

XHL Blocks feature:

• CNC machined aluminium side cheeks
• stainless steel sheave
• XHL bearing technology
• 900kg breaking load ratings.¬†

See more info on the Allen Brothers website.