Vertical Clamp and Tangent Unit

It consists of clamp hand wheel, tangent hand wheel, clamp ring, clamp and tangent sheath, clamp and tangent filar pole, versatile sheath, etc.
The clamp unit, clamped by the clamp ring, clamp block, and cam block, rotates around the clamp and tangent filar pole and thus the clamp and tangent hand wheel works on the same axis.