Description: A short recording of a small ratchet mechanism.

Description: A short recording of a small ratchet mechanism.

Description: A short recording of a small ratchet mechanism.

Description: A short recording of a small ratchet mechanism.

Description: A short recording of a small ratchet mechanism.

Description: A short recording of a small ratchet mechanism.

Description: A short recording of metal tape measure.

Description: A short recording of metal tape measure.

Description: A short recording of metal tape measure.

Description: A short recording of metal tape measure.