Allen 50MM DOUBLE WITH BECKET dynamic block

Allen50mm Dynamic Blocks utilise our patented Dynamic bearing technology, the high quality stainless steel ball bearings running on stainless steel rails provides unsurpassed performance under load. The large central hole for tie-on becket requirements gives this block range a distinctive style and significant weight reduction and is available with a variety of accessories. Suitable for numerous demanding applications on boats, including Catamarans and Keelboats,the multi blocks provides great free running performance under load. Single variations feature a swivel lock, located at the head of the block. The variations with two or more sheaves have a similar feature but utilise a removable plastic moulding.