The rigidity of knee turning tool holder can be increased by using :

Clamp

Tee bolt

Overhead support bar

None of the above

External diameter

Internal diameter

Internal grooves

None of the above

Slide tool holder

Flange tool holder

Knee tool holder

Recessing tool holder

Needs additional support

Needs no additional support

Needs a fixture

None of the above

25 mm diameter

50 mm diameter

100 mm diameter

150 mm diameter