- With foot control. It is easy for operation and relax hands for adjusting the material.
- Compression spring for top counterbalance.
- Cam lock and rebound spring for bending beam counterbalance.
- Bow handle for bending beam rotation
- Adjustable bending angle stop with scale up to 135°.
- Segmented top beam tools.
- They have the function of air spring which can be installed inside the arm (optional).
