The Beta Tools Hex Key Drivers, No. 920PE, are 1/2" drive sockets with a bright chrome finish and working-end hex keys with a burnished finish. These are available in 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 14mm, 17mm and 19mm hex key sizes. They also come in a 10-pc set (No. 920PE/C10) with a metal storage case.