All Master Lock products are covered by a full lifetime product warranty. If for any reason a Master Lock product fails due to defects in materials or workmanship we will replace the lock for you. MASTER LOCK IS NOT LIABLE FOR INCIDENTAL OR CONSEQUENTIAL LOSS OR DAMAGES.
For fastest and easiest service, simply return the lock to the place of purchase for exchange. You may also contact Master Lock at 1-800-464-2088. For Canadian customers please call 1-800-227-9599.