
Drills & bitsStart with the material, hole or fastener and documented tool function. Compare a drill driver, combi drill and impact driver without treating voltage or torque as permission to do every job.
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Hand-tool fitKeep the profile, size, holder and intended use together. A similar-looking cross or hexagon is not a complete fit specification.
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Batteries & bundlesNominal volts multiplied by amp-hours gives nominal watt-hours. That arithmetic does not establish usable energy, power output, compatibility or minutes of work.
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