Schaefer offers several ways to bring your halyards and control lines back to the cockpit. Half-Moon mast base blocks feature aluminum sheaves running on nomex(tm)/Teflon(tm) bearings for smooth running and exceptional static load strength. Extremely low profile keeps halyards and control lines close to the deck.
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.
www.P65Warnings.ca.gov