Screwdriver with replaceable screwdriver or screwdriver with fixed head?
If it is household, then you can replace the screwdriver can, because you are not used, do not often change, not loose. Household words, with a word on the cross can be, it is best to buy models smaller, because the family will not have any large screws,
The quality ratio of fixed head for the better, household use can change. The bull is very practical, but had better change with tight screw fixation.
