The V-Series 10 pack of 1/4-in. Nubs delivers unprecedented performance to the Craftsman brand. Engineered for professionals, this set allows for added storage on Craftsman V-Series magnetic rails. Backed by Craftsman's Lifetime Warranty, this product is designed to deliver the quality and durability expected from the Craftsman brand. If the product fails to perform for any reason, we will replace it. Return damaged product to a stocking Retail Partner or call 1-888-331-4569 for details. No proof of purchase required.