INSTRUCTIONS: 1. Unscrew the lock nut and insert the button into the hole. (Full row buttons and half row buttons need to be consistent) 2. Check whether the button rod is just in contact with the button. If it is too long, you can cut it short. If it is too short, you can turn the button rod out to adjust the required length, and screw in the lock nut until it is firm
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2 weeks ago
2 months ago