Multiple sizes available (2977-03 pictured at left).
| Catalog # | Description |
| 2977-01 | Length: 19 cm; Maximum blade width: 13 mm; Maximum tip width: 22 mm; Tip radius: 2.5 mm |
| 2977-02 | Length: 20 cm; Maximum blade width: 19 mm; Maximum tip width: 25 mm; Tip radius: 6.4 mm |
| 2977-03 | Length: 23 cm; Maximum blade width: 25 mm; Maximum tip width: 29 mm; Tip radius: 8.7 mm |
| 2977-04 | Length: 25 cm; Maximum blade width: 30 mm; Maximum tip width: 35 mm; Tip radius: 9.5 mm |
Trials available.
Zimmer is a registered trademark of that corporation.