Answer: pulleys

AnswerCrossword Clue
PULLEYSCable guides?
PULLEYSWheels holding cables
PULLEYSMechanical devices.
pulleysA wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used (typically in combination) to raise heavy weights
pulleysPULLEY
pulleysA wheel or drum fixed on a shaft and turned by a belt, used esp. to increase speed or power
pulleys(on a bicycle) A wheel with a toothed rim around which the chain passes