50mm Double Dynamic Bearing Block

Suitable for numerous demanding applications on boats, including Catamarans and Keelboats ,the  multi blocks  provides  great free running performance under load.

Allen 50mm Dynamic Blocks utilise their 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.