Description: The Harken Carbo T2 Lashing Ratchamatic 57mm block combines innovative design with a trans-threaded attachment system. Reinforced composite side plates and a hard-anodized aluminum sheave provide exceptional strength. The ratchet mechanism automatically switches under pressure, allowing free rotation or locking as needed. Ideal for trimming mainsail and spinnaker sheets on sport catamarans, dinghies and racing yachts.
