Shackle sizing

[Tire_Marx]

When a shackle is called, for example a 3/4" shackle, does that refer to the pin diameter, or the bow diameter (shackle body) size?

 

[texascrane]

It's referring to the shackle body. On a 3/4" shackle, the pin will be a little larger than 7/8".

 

[Tire_Marx]

Thanks for the answer texascrane!