TEKTON 1365 3/8-Inch Drive Hex Bit Socket Set, Metric, 10-Piece Drop Forged, Heat Treated Carbon Steel Sockets and Precision-Machined Chrome Vanadium Steel Bits Durable Chrome Plated Finish on Sockets and Sandblasted Finish on Bits Resist Corrosion (7) Hex Bit Sockets (Metric): 3, 4, 5, 5.5, 6, 8, 10mm and (2) Screwdriver Bit Sockets: 1/4" Flat, #2 Phillips Complete with Plastic Case for Organization and Storage Lifetime Replacement Guarantee