Allen 30mm Dynamic Block With Swivel Head

Allen 30mm dynamic single swivel shackle head block with hollow axle for tie on becket. Block will take up to 10mm line but the becket only 6mm.
Shackle has a 4mm pin

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.