From the Manufacturer

This Sunex 14 piece 3/8 inch drive long metric ball hex and hex bit socket set includes the most common sizes used for automotive repair. The set is packaged in a slide, clip rail for easy storage. Its long design provides added reach and maximum torque, and its ball ends provide improved access in tight spaces and difficult angles. Set includes, model number and size in SAE inches and Hex Bit Metric - mm: 9970M 3/8 Dr. Long Ball Hex Bit Socket 3mm, 9971M 3/8 Dr. Long Ball Hex Bit Socket 4mm, 9972M 3/8 Dr. Long Ball Hex Bit Socket 5mm, 9973M 3/8 Dr. Long Ball Hex Bit Socket 6mm, 9974M 3/8 Dr. Long Ball Hex Bit Socket 7mm, 9975M 3/8 Dr. Long Ball Hex Bit Socket 8mm, 9976M 3/8 Dr. Long Ball Hex Bit Socket 10mm, 9977M 3/8 Dr. Long Hex Bit Socket 3mm, 9978M 3/8 Dr. Long Hex Bit Socket 4mm, 9979M 3/8 Dr. Long Hex Bit Socket 5mm, 9980M 3/8 Dr. Long Hex Bit Socket 6mm, 9981M 3/8 Dr. Long Hex Bit Socket 7mm, 9982M 3/8 Dr. Long Hex Bit Socket 8mm, 9983M 3/8 Dr. Long Hex Bit Socket 10mm