Features Metric socket sets come with drive tools and an assortment of sockets for a range of fastener sizes. hey come in sizes that are measured in millimeters to fit fasteners with a metric size head. Standard Socket Count/Style / (12) 6-Point Standard Socket Style/Size / Standard 6-Point: 4 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm Deep Socket Count/Style / None Flex Socket Count/Style / None Socket Size Range / 4 mm to 14 mm Drive Size / 1/4 in Drive Type / Hand Finish / Chrome Impact Rated / No Insulated / No Non-Sparking / No Measurement Type / Metric Standards / ASME B107.5M Includes Socket Bits / No Includes Wrenches / No Tether Ready Sockets / Not Tether Capable Drive Tools Included / 5 in Pear Head Ratchet Container Type / None Number of Pieces / 17 Socket Shape / 6-Point Socket Size / 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 4 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 9 mm