compare list!!!

POWERLOCK has 18 tools and POWER DUO only has 11.
POWERLOCK has the scissors and Powerduo not.
POWERLOCK has the knife and Powerduo not.
POWERLOCK has the saw and Powerduo not.
POWERLOCK has the lime and Powerduo not.

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the POWERLOCK is better than PowerDuo for tools there is more useful because it contains all of the seven Powerduo is more useful and easy to carry in your pocket.