THIS LISTING IS FOR A PAIR (2) OF HARKEN (BARBAROSSA) OPENING DOUBLE SNATCH CHEEK/FOOT BLOCKS WITH STAINLESS BALL BEARING ALLOY SHEAVES. THEY HAVE A 4,400 LB SAFE WORK LOAD. THEY ARE EQUIPPED WITH 4" BALL BEARING ALLOY SHEAVES THAT CAN ACCOMMODATE UP TO 9/16" LINE. THIS PAIR COMES WITH ALUMINUM BACKING PLATES. 

I ALSO HAVE A PAIR OF THESE THAT ARE SINGLES IN A SEPARATE LISTING. ALSO IF YOU ONLY NEED ONE OF THESE LET ME KNOW AND I CAN ALTER THE LISTING.

SEE PHOTOS OF SPECS FROM MY 1997 HARKEN CATALOG, HARKEN ACQUIRED THE BARBAROSSA LINE IN THE LATE 1990'S.

PLEASE CHECK MY OTHER LISTINGS FOR ADDITIONAL SAILBOAT HARDWARE, I AM HAPPY TO COMBINE SHIPPING.