G10SS2 Gear set Suitable For 4" Metal Cutting / Grinding machine in Hikoki G10SS2 Ag4 Model
Brand : Generic
Suitable For : Hikoki G10SS2
Gear set helps to rotate the spindle. And gear helps to run the machine smooth and less noise. If gear was damaged then it makes more noise and running with cracking sound.
so please read the user manual to avoid that.