Country of Origin: US
| Square Drive Size | Z (0.990") | Max. Torque |
|---|---|---|
| (Inches) | (Ft.Lbs.) | |
| 1 | QZO32A | 298 |
| 1-1/16 | QZO34A | 321 |
| 1-1/8 | QZO36A | 367 |
| 1-3/16 | QZO38A | 433 |
| 1-1/4 | QZO40A | 480 |
| 1-5/16 | QZO42A | 480 |
| 1-3/8 | QZO44A | 480 |
| 1-7/16 | QZO46A | 480 |
| 1-1/2 | QZO48A | 480 |
| 1-9/16 | QZO50A | 480 |
| 1-5/8 | QZO52A | 480 |
| 1-11/16 | QZO54A | 480 |
| 1-3/4 | QZO56A | 480 |
| 1-13/16 | QZO58A | 480 |
| 1-7/8 | QZO60A | 480 |
| 2 | QZO64A | 480 |
| 2-1/16 | QZO66A | 480 |
| 2-1/8 | QZO68A | 480 |
| 2-1/4 | QZO72A | 480 |
| 2-1/2 | QZO80A | 480 |
| 2-3/4 | QZO88A | 480 |
| 3 | QZO96A | 480 |