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. Deep Socket Count/Style / (12) 6-Point, (4) 12-Point Deep Socket Style/Size / Deep 12-Point: 5/16 in, 11/32 in, 3/8 in, 7/16 in, 1/2 in, 9/16 in, 20 mm, 21 mm, 22 mm, 23 mm, 24 mm, 25 mm, Deep 6-Point: 3/16 in, 7/32 in, 1/4 in, 9/32 in Flex Socket Count/Style / None Socket Size Range / 4 mm to 25 mm, 5/32 in to 1 in Drive Size / 1/2 in, 1/4 in, 3/8 in Drive Type / Hand Material / Alloy Steel Finish / Chrome Impact Rated / No Insulated / No Non-Sparking / No Measurement Type / Metric, SAE Standards / ASME Includes Socket Bits / No Includes Wrenches / No Drive Tools Included / Pear Head Ratchet: 1/2 in Drive Container Type / Plastic Case Container Features / Dust Resistant Number of Pieces / 86 Socket Shape / 12-Point, 6-Point Socket Size / 1/2 in, 1/4in, 10 mm, 11 mm, 11/16 in, 11/32 in, 12 mm, 13 mm, 13/16 in, 14 mm, 15 mm, 15/16 in, 16 mm, 17 mm, 18 mm, 19 mm, 20 mm, 21 mm, 22 mm, 23 mm, 24 mm, 25 mm, 3/16 in, 3/8 in, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 5/16 in, 5/32 in, 5/8 in, 6 mm, 7 mm, 7/16 in, 7/32 in, 7/8 in, 8 mm, 9 mm, 9/16 in, 9/32 in