Clamping Nut Wrench Professional Collet Chuck High Hardness For Engraving
- 44-48HRC hardness, tight clamping nut diameter, high rigidity.
- Ergonomically designed handle for a comfortable hand feel, -saving and labor-saving.
- Made of high quality cast steel, heat treated, high hardness, not easy to crack.
- Suitable for nut rotation of ER type shank, arbor and extension rod.
- Suitable for ER25-B and ER25-T2 nuts