Features Metric socket sets have an assortment of sockets for a range of fastener sizes. They come in sizes that are measured in millimeters to fit fasteners with a metric size head. Standard Socket Count/Style / (12) 12-Point Standard Socket Style/Size / Standard 12-Point: 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm Deep Socket Count/Style / None Flex Socket Count/Style / None Socket Size Range / 8 mm to 19 mm Drive Type / Hand Drive Size / 3/8 in Measurement Type / Metric Socket Shape / 12-Point Sockets Included / (12) Standard 12-Point Tether Ready / No Finish / Chrome Includes Drive Tools / No Includes Socket Bits / No Includes Wrenches / No Impact Rated / No Insulated / No Non-Sparking / No Number of Pieces / 12 Standards / ASME B107.110-2012 Container Type / Rail Includes / 13 in Socket Rail, 3/8 in Drive Socket Clip