Amerock Guardian Lifetime Guarantee:
The Amerock corporation warrants that all products protected with the Guardian Lifetime Guarantee are protected against defect in material and workmanship. Amerock products covered under this warranty include: Amerock Cabinet Hardware (excluding the Allison Value Hardware), Bath Hardware and Wall Plates.

If the finish of any of the items protected by the Guardian Lifetime Guarantee tarnishes or corrodes, Amerock will send to the original purchaser, without charge, a new replacement product of the same or comparable style and quality.
See more at: Warranty