Features Metric impact socket sets come in metric sizes that are measured in millimeters to fit fasteners with a metric size head. Sets provide an assortment of sockets for a range of fastener sizes. Material / Alloy Steel Finish / Black Oxide Drive Size / 1/2 in Impact Rated / Yes Socket Depth / Standard Socket Shape / 6-Point Includes Standard Sockets / Yes Standard Socket Style/Size / Standard 6-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, 20 mm, 21 mm, 22 mm, 23 mm, 24 mm, 25 mm, 26 mm, 27 mm, 28 mm, 29 mm, 30 mm, 32 mm, 36 mm Standard Socket Count/Style / (25) 6-Point Includes Deep Sockets / No Deep Socket Count/Style / None Drive Type / Impact 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, 27 mm, 28 mm, 29 mm, 30 mm, 32 mm, 36 mm, 8 mm, 9 mm Compatible Fastener Type / Bolts Container Type / None Measurement Type / Metric Non-Magnetic / No Number of Pieces / 25 Socket Size Range / 8 to 36 mm Standards / ASME B107.110-2012 Tether Ready / No Includes / (25) 1/2 in Drive Impact Socket, 1/2 in Drive Size Socket Clip, 17 in Socket Bar Insulated / No Locking / Yes Non-Sparking / No