Advantages and selling points
1. Unique technology makes superior quality. The error of cutting precision is only 0. 5mm. (The error of peer's is over 3mm. )
2. Both sides of bearing are sealed, effective、 dustproof and long term use.
3. Solid chromed guide rail prevents it from deforming for a long time.
4. Durable cutting wheel, available over 6000m.
