Drive Mechanism
Hand Tool Parts
Gears：Amplify torque, change rotation speed and direction—used in ratchet wrenches, etc.
Ratchet Shafts：Control ratchet mechanism direction and transmit torque
Gears：Amplify torque, change rotation speed and direction—used in ratchet wrenches, etc.
Ratchet Shafts：Control ratchet mechanism direction and transmit torque
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