HARKEN 125 mm Aluminum Black Magic Block - Swivel, 3256 Tracks & Accessories_End controls The Carbo Ratchamatic® is a

The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase

They keep the block aligned correctly by pushing the lashing line to the outer edges of the block's head

a lightweight soft-attach

self-lubricating slotted bushing bearings do not deform - providing smooth

cunningham

HARKEN 125 mm Aluminum Black Magic Block - Swivel, 3256 Tracks & Accessories_End controls The Carbo Ratchamatic® is aBlack Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center cage keeps Torlon roller bearings separated and parallel to reduce friction. The sheave center carries the primary load, allowing a smaller, lighter weight block. The soft attachment Loop block has a