29mm Carbo AirBlocks

Ultra-high strength-to-weight ratio for high loads.
Lightweight composite plastic sideplates are UV resistant.
Carbon black Delrin balls roll on fitted races for increased load capacity.
Open sheave AirBlock minimizes weight.

Typical Uses: sheets on small dinghys; vangs on large dinghies, cunninghams and traveler controls on keel boats and small offshore boats; minor controls on large offshore boats.