The best replacement for wrench is socket.

The best alternatives to wrench are rated as following:
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★★★★  pliers
★★★★  impact driver
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★★  pb blaster
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★  wretch
★  southern hospitality
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  open ended spanner
  allen wrench

Your alternative for wrench is not listed? Suggest!
Speaking about wrench, one probably shouldn't forget about extension.

Other search terms related to wrench and their ratings are:
★★★★★ extension
★★★★★ oil light
★★★ torque setting
★★ torque
★★ torque control
★ crows foot
cheater
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wrench
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