Features: The bail type design make these hot dip galvanized eye nuts easy to connect hooks, ropes or chains, flexible to adjust the direction of force. Those 1/2"-13 heavy duty thread lifting bail type eye nuts are UNC standard, not metric, please check the size before purchasing. Specifications: Material: carbon steel with hot dip galvanized coating Color: silver Size: 1/2"-13 Package includes: 10 X 1/2"-13 heavy duty thread bail type lifting eye nuts Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays