Big Boat 100 mm Black Magic Airblock Double Swivel
Used on offshore boats where weight and performance are critical.
They feature free-rolling, large- diameter aluminum sheaves with Torlon roller bearings housed in a unique center cage. UV-resistant, carbon-black Delrin balls carry sideloads. Corrosion is minimized by isolating dissimilar metals.Blocks are Hardkote-anodized and have 17-4 PH stainless headposts and shackles. Easily disassembled.The 3199 soft attachment Loop block has removable dead-end post for attachment to , padeye. Lashings can also be used.
Use for:
Sheets -/ Halyards -/ Running backstays -/ Control lines
