Ratchet rotator.
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Previously:
1891 ratchet screwdriver - GIF
1907 Wizard adjustable ratchet wrench
Electric ratchet from right angle driver - video
Ratchet and pawl mechanism - GIF
Ratcheting flare nut wrench - GIF
Restoring a 1951 ratchet - GIF
Zero degree ratchet - GIF
