Would you please tell me how to choose a hammer?
The five pits are heavy hammer hammer, you this small import all two pit two slot, four pit is Chinese special (do not know why the domestic out of such a standard in the world is not)
Import tool nameplate written with the domestic is different, plainly, if in accordance with the import mark way, the domestic tool power can also hit half of the import tools
The impact of drilling with hammer is two concepts that are capable of drilling but the impact drill belongs to the punch function, the hammer is special tape electric, BOSCH electric hammer drilling no problem,
