Allen 60mm Dynamic Swivel Block

To fully appreciate the difference of the Allen dynamic bearing range of blocks, take a closer look at the design, quality of materials and construction to fully appreciate the difference. From the patented high strength 316 stainless steel line friendly ultra strap, to the soft contours of the sheave and cheeks moulded from advanced engineering polymers, patented dynamic bearing technology featuring twin rows of 316 stainless steel ball bearings all held together with a meticulously designed 316 stainless steel jacket, Allen blocks claim to be the strongest and best available on the market.

Single block featuring Allen Brothers Pro-Lock swivel head which allows the 5mm forged shackle to be locked in two perpendicular positions or left to freely rotate
A low profile switch, that activates the ratchet mechanism, is integrated in to the blocks streamline design.

Allen's largest range of blocks are suited to bigger dinghies, dayboats, keel boats, sports boats and catamarans like the F18.