1" Dr. Double Square Impact Socket
Metric
| Item No. | Size | Length | Pack | KGS |
| 778-517 | 17 mm | 57 mm | 6 | 2.1 |
| 778-519 | 19 mm | 57 mm | 6 | 2.1 |
| 778-520 | 20 mm | 57 mm | 6 | 2.3 |
| 778-521 | 21 mm | 57 mm | 6 | 2.3 |
| 778-522 | 22 mm | 57 mm | 6 | 2.3 |
SAE
| Item No. | Size | Length | Pack | KGS |
| 778-612 | 3/4" | 57 mm | 6 | 2.1 |
| 778-613 | 13/16" | 57 mm | 6 | 2.3 |
| 778-614 | 15/16" | 57 mm | 6 | 2.5 |