(b)(4).As returned, the cam lever of both devices was stiff and difficult to actuate.After applying lubricant the levers functioned as intended.Both devices accepted a 1.8mm cable and tensioned to (b)(4) lbs.The device history records were reviewed and the records indicated that the device met specifications at the time of manufacture.This device is used for treatment.The package insert included with the instrument has instructions for use, warnings, and precautions for these instruments.Some of these instructions are "lubricate threads with a commercial and water based lubricant (such as instrument milk) to reduce friction and wear." the tensioners functioned as intended upon lubrication, with the components moving freely.No product issue has been identified.
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