Set is provided with the main body and seven different style inserts in a wooden case. Center and inserts are made from forgings, hardened and precisely ground. Precision high quality bearings. Special sealing ring protects the bearings from coolant and dust. Inserts are easily interchangeable.
| Set No. | Morse Taper | Max RPM | Workpiece Weight | Accuracy Inch |
| 570-002 | 2MT | 5000 | 220 lbs. | .0008 |
| 570-003 | 3MT | 4000 | 440 lbs. | .0008 |
| 570-004 | 4MT | 3000 | 880 lbs. | .0008 |
| 570-005 | 5MT | 2500 | 1770 lbs. | .0012 |
| 570-006 | 6MT | 2000 | 3550 lbs. | .0012 |
