Allen 20mm Dynamic Double Fixed with Becket The 20mm Dynamic boat block from Allen features line friendly soft contours and articulation, a patented inner bearing system (exclusive to this variant) and a double fixed becket. With its stainless steel cheeks and ultra-strap technology moulded from advanced engineering polymers, this block lets you lash without worry when it comes to line abrasion, and its combined high quality design and manufacturing let it easily manage the maximum possible loads. Specification Length Line Diameter Break Load MDL Weight 61mm 2.5-6mm 500kg 225 33.5g
