Wera professional hand tools are backed by a limited lifetime warranty that covers breakage caused by defects in materials or workmanship throughout the product's normal lifespan. This warranty does not extend to products that have been altered, subjected to abuse, misuse, negligence, or improper storage. L-Keys, bits, and bitholders are excluded from this warranty as they are classified as “consumable” items. Wera Tools reserves the right to inspect any warranty claims prior to issuing replacements and may request that the tool be sent in for inspection if photos or videos are deemed insufficient.