Schaefer hinged half-moon base blocks provide a strong and smooth option for leading your halyards and control lines to the cockpit. Choose from four different models, all featuring a heavy duty stainless steel cage, polished and buffed to a mirror finish. Sheaves are machined aluminum and run on our self-lubricating Nomex®/Teflon® bearing. UC models incorporate Delrin® ball bearings for additional friction reduction.
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