It works in low noise ,little pollution and small cutting slot.
20x5/4.5x8mm
20x5.5/4.5x10mm
20x4.6/4.0x8(10)mm20x5.0/4.4x8(10)mm20x5.4/4.8x8(10)mm30/50x5/4.5x8(10) mm
Other specification can be order by customer