You get the device easy to assemble. Most of the elements are already properly twisted.
My device has better technical parameters than most similar solutions available for sale.
Compare different models. You can receive a universal device without spending a lot of money.
The film presents the first test of a new model of my belt grinder. Please, pay special attention to the coin set on the grinder's arm. The coin remains stationary throughout the life of the grinder. This means that there are no vibrations during operation. The stability of the system I got thanks to the extremely high precision with which it was made my device.