HARKEN 40mm Carbo Air Block, 2650 Block Size_22 mm and get an automatic ratchet

and get an automatic ratchet block when it's a breeze on

and side plates are UV-stabilized

hard coat-anodized aluminum sheave

than Harken's previously least expensive blocks

HARKEN 40mm Carbo Air Block, 2650 Block Size_22 mm and get an automatic ratchetLow friction Carbo Air Blocks are lightweight, strong, reliableand economical. Consistently 30% lighter and 60% stronger than equivalent Classic blocks. The side plates are UV stabilized, high strength resin and designed for small diameter lines favored by racers. These smooth running powerful performers make trimming easy, no matter how hard the wind blows. Carbo Air blocks are made of tough reinforced composite in size and style to fit any system: