The Mac Tools USA Half Moon Obstruction Wrench Double Box End Set includes 5 pieces with a 12 point drive type, perfect for automotive use. With a SAE system of measurement, this set is a must-have for any mechanic looking for high-quality hand tools. The manufacturer part number is HM2830, and while it does not come with a warranty, the durability and reliability of Mac Tools products ensure long-lasting use. Perfect for efficiently removing and installing stubborn obstructions, this set is a valuable addition to any tool collection. It has a few slight scuffs and. Etchings on the wrenches.