Dewalt, 3/8" drive, specialty bit socket set, set includes: (5) 3/8 drive metric hex bit sockets: 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, (4) 3/8 drive sae hex bit sockets: 5/32", 3/16", 1/4", 5/16", (8) 3/8 drive torx bit sockets: t10, t15, t20, t25, t27, t30, t40, t45.