High-contrast size marking is permanently laser and easy to read, even in low light. CASOMAN 84 Pieces 3/8" Dr. Master Hex Bit Impact Socket Set. 18PCS 3/8"Dr. Hex Bit Impact Sockets(52mm): 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 14mm, 3/16", 7/32", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8" 9PCS 3/8"Dr. Star Bit Impact Sockets(40mm): T20, T25, T27, T30, T40, T45, T47, T50, T55.