The GP Extension 125mm 6005E CR-MO is a high-quality 1-1/2 inch impact socket made from durable chrome-moly steel. With a black oxide finish, this single piece socket is designed for use in automotive applications and features a SAE measurement system. Manufactured by GP, a trusted brand in hand tools, this extension provides the necessary reach for tough jobs while ensuring safety with a California Prop 65 warning. Made in the United States, this socket is a reliable addition to any automotive tool collection.