This is a vintage Sherman & Reilly Aluminum Snatching block Model XS-100-B in very good condition. It is a total of 18 inches long as seen in the photos. It is in well used condition and would easily still work for your job. Please see photos for condition. This item is in the category "Collectibles\Tools, Hardware & Locks\Tools\Pulleys, Block & Tackle".
The seller is "dbetz26zdq" and is located in this country: US. This item can be shipped to United States.