Vintage Pair Block and Tackel Pulleys large. These are the largest blocks I have. The single pulley is 19 overall length. And the block is 11" by 5 1/2" and 4 3/4 wide. The other is overall length 18" and the block is 8" by 6" and 6 3/4" wide.
This was picked up at a old factory in philadelphia that was being torn down that was formally a horse stable.