100% manufactured in Pueblo, Colorado with US Steel by Pewag Chain. Pewag nickel manganese alloy square link tire chains wear up to 8 times longer than conventional twist link tire chains while giving you up to 32% more traction. Pewag is the preferred chain by Professional users, fleet owners, State & County D.O.T.’s, and City Public Works. Can be reversed for better wear and longer life. Two link version is a cross chain every other side chain link for consistent traction and ride.