SOCKET SIZES: 10 pieces of each standard and deep impact sockets in 3/16”, 7/32”, 1/4″, 9/32”, 5/16”, 11/32”, 3/8”, 7/16”, 1/2”, & 9/16” in.; 14 pieces of each drive deep and shallow impact sockets in 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm & 15mm.