Double Square Socket
Special Application Sockets
3/8" Drive 8-Point SAE 1/4" Double Square Socket
| Inches | Stock No. | A | B | C | D | E |
| 1/4 | F308 | 1/2 | 21/32 | 3/8 | 27/32 | 7/32 |
| 5/16 | F310 | 9/16 | 21/32 | 3/8 | 27/32 | 1/4 |
| 3/8 | F312 | 21/32 | 11/16 | 15/32 | 15/16 | 9/32 |
| 7/16 | F314 | 25/32 | 11/16 | 17/32 | 1 | 5/16 |
| 1/2 | F316 | 7/8 | 25/32 | 17/32 | 1 | 5/16 |
| 9/16 | F318 | 1 | 29/32 | 19/32 | 1-1/8 | 7/16 |
| 5/8 | F320 | 1-1/16 | 31/32 | 19/32 | 1-1/8 | 7/16 |
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