Dewalt, 12 piece, 3/8" socket set, set includes: 3/8" drive pear head ratchet, 3/8" drive, 3" extension, 6" extension, 3/8" drive spark plug socket, 3/8" drive 6 point sockets: metric 10, 11, 12, 13, 14, 15, 16, 18, the sockets include directtorque technology to help prevent rounding of fasteners & to provide better grip.