The most important features:
1. High runout accuracy (< 0.003 mm)
2. Low tendency towards vibrations by optimised outer geometry
3. Slim design at the top
4. Very rigid shank
5. Standard with Cool Jet (can be re-sealed)
6. Dirt groove in the clamping bore for safe clamping force
7. Safe-Lock (optional)
Collet Chuck Type ER, JIS B 6339-2, BT30