The coil teak machine has a medium spring and is suitable for lining and shading. In addition to its outstanding performance, this device is also very reasonably priced; It is also beautiful in appearance.
The coils of the devices have different impact strengths. The power of the coils is 8-10-10 warps, which means the number of times the coil is twisted around the axis. The more complex the number, the larger the coil and therefore the more power it has, and vice versa.
