Key and Keyfin

Keyfin – assures alignment of tines, avoids scissoring action and minimal viewing obstruction
Tines – the design incorporates thinner tines
| Length/ Tip Size | 0.4mm | 0.7mm | 1.0mm | 1.2mm | 1.5mm |
| 8.0″ (20.3cm) | √ | √ | √ | √ | √ |
| 9.0″ (22.9cm) | √ | √ | √ | √ | √ |
| 10.0″ (25.4cm) | √ | √ | √ | √ | √ |
| 11.0″ (27.9cm) | √ | √ | √ | √ | √ |
| Feature(s) | Up, Down 20,30,45 | Up, Down 20,30,45 | Up, Down 20,30,45 | Up, Down 20,30,45 | Up, Down 20,30,45 |

