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 / (17) 12-Point Standard Socket Style/Size / Standard 12-Point: 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 20 mm, 21 mm, 22 mm, 23 mm, 24 mm, 25 mm, 26 mm Deep Socket Count/Style / (10) 12-Point Deep Socket Style/Size / Deep 12-Point: 16 mm, 17 mm, 18 mm, 19 mm, 20 mm, 21 mm, 22 mm, 24 mm, 25 mm, 26 mm Flex Socket Count/Style / None Socket Size Range / 10 mm to 26 mm Drive Size / 1/2 in Drive Type / Hand Finish / Chrome Impact Rated / No Insulated / No Non-Sparking / No Measurement Type / Metric Standards / AS954E S3.8.1 and AS4283, ASME B107.500, ASME B107.5M Includes Socket Bits / No Includes Wrenches / No Tether Ready Sockets / Not Tether Capable Drive Tools Included / 10 in Pear Head Ratchet Container Type / None Number of Pieces / 31 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, 20 mm, 21 mm, 22 mm, 23 mm, 24 mm, 25 mm, 26 mm