68475 Drag Chain Pintle link Spreader salter 49523 , 9178 Western Fisher Blizzard 662

Here is a factory link for the spreader chains this had a few part numbers 68475, 49523, and 9178. Was used by Fisher, Western and blizzard possibly more brands as well. 

We also sell the replacement bars for these chains Part # 68492.

The link is marked 662 the open end is 1.25" inside, the small end is 1-3/16" outside, center of pin to cente is 2-11/16" , comes with 2 pins that are 1-3/4" long and 1/4" round.