Performance Tool8 piece 3/8Metric Hex Bit Socket Set part number W38890. Chrome vanadium constructed. Fully polished. Lifetime warranty. Sizes: 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mmCaution: DONOTuse chrome sockets or drive with impact or power tools. Pull hand tools toward you. DONOT push. Maintain your balance. Keep tools clean.