Features Metric socket sets come with drive tools and 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 / (12) 12-Point Deep Socket Style/Size / Deep 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 Flex Socket Count/Style / None Socket Size Range / 8 mm to 19 mm Drive Size / 3/8 in Drive Type / Hand Finish / Chrome Impact Rated / No Insulated / No Non-Sparking / No Measurement Type / Metric Standards / ASME B107.110-2012, SAE AS4984A Includes Socket Bits / No Includes Wrenches / No Tether Ready Sockets / Not Tether Capable Drive Tools Included / 7 in Pear Head Ratchet Container Type / None Number of Pieces / 29 Socket Shape / 12-Point Socket Size / 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 8 mm, 9 mm