More than 1 million pocketknives have been recalled due to a "laceration hazard," safety officials announced Friday.

"Gordon Folding Knives" by Harbor Freight Tools were recalled after the company received at least seven reports "of the knife failing to lock" — resulting in at least six reports of laceration injuries, and at least four people needing medical attention.

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People "should immediately stop using the recalled knives and return them to a Harbor Freight Tools store," the U.S. Consumer Producer Safety Commission detailed in a news release. Consumers who do so will receive a $5 gift card as a full refund.

Made of stainless steel, the pocketknives have black metal on the handle with "five cutouts on each side of the handle." They are about 3 inches long and include a silver metal belt attached to the handle. One side of the knife has "China" printed on it, while the other side reads "Stainless Steel," officials said.

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The knives were sold for roughly $5 online and at the tool store from July 2008 through July 2019, officials said. The California-based company has more than 1,000 stores across the U.S. and sells "great quality tools at the lowest prices," according to the store's website.