1.Base
2.Outer set screw
3. Crossbar limit block
4. Span crossbar
5. External screw positioning block
6. Column position clamping block
7. Column
8.Middle plate
9. Extension block
10. Inner clamping block screw
11. Support plate
12.Top pressing screw
13.Round handle
14.VOLVO head
15.M8-257-word wrench
16.M10-63 7-word wrench
17.KTC15 chuck
18.KTC19 head
19.Universal flat chuck
20.M8 rubber wood handle
21.Top bar