- Features
| Ball bearing construction maximizes gripping force and drilling accuracy |
| Jaws center ground for straightness and alignment |
| One piece sleeve eliminates crack between driving teeth often found in other designs |
| Through hardened sleeve teeth, plus hardened nose and keyholes provide outstanding wear resistance |
| Fluted sleeve standard |
| Inspected for performance and precision |
| TIR 0.003 in maximum at half capacity |