Knurled thumb screw allows variable bit length from 3" (76 mm) to 6" (13.2 cm). Offered with selection of bit styles to accommodate any bone screw head.
Features include:
- Stainless steel bits
- Anodized aluminum handle
- Bit length: 6 9/16" (16.67 cm)
- Handle length: 4 1/2" (11.43 cm)
- Bit diameter: 1/4" (6.35 mm)
- Handle diameter: 1 1/8" (28.58 mm)
| Catalog # | Description |
| 890-50 | Single slot, With handle (890) is 890-01 |
| 890-51 | Woodruff, With handle (890) is 890-02 |
| 890-52 | Phillips, With handle (890) is 890-03 |
| 890-53 | Cross Slot, With handle (890) is 890-04 |
| 890 | Handle |
See close-up below.

Trials available.
Zimmer is a registered trademark of that corporation.