Rosco barrel swivels are made right here in the USA. The very best crane swivel available anywhere.
The #1/0 swivel is a perfect match for the 0.341" belly grommet. It will NOT fit the 0.273" belly grommet unless you alter the eye on the swivel (not recommended).
Inside eye hang length is 0.845".
Appox. Test: 175 lbs