10-piece socket set offers the 5 most popular styles of 12mm sockets in 1/4" and 3/8" drivesIncludes stubby, standard, deep, flex, and magnetic impact socketsMagnetic impact sockets manufactured using chrome molybdenum for durability and coated with manganese phosphate to withstand corrosionKnurled non-slip ring (except on the two Universal/U-Joint Sockets) for maximum gripPolished chrome finishPacked on socket rail for organization