| Dimension C, Bolt Clearance Depth, mm | 21.0 |
| Dimension B, Drive End Dia., mm | 31.5 |
| Country Of Origin | USA |
| Size, mm | 21 |
| Dimension E, Opening Depth, mm | 14.2 |
| Dimension D, Length, mm | 38.1 |
| Dimension A, Socket End Dia., mm | 31.5 |
| Finish | Industrial Finish |
| Style | 6-Point |
Malaysia