18-Piece 1/2" hex sockets 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 27, 30 and 32 mm.One 1/2" ratchet, quick release, 60 teeth/6° action angle.Two 1/2" extension bars, 5" and 10".One 1/2" universal joint.One 1/2" T-adaptor.One 1/2" breaker bar with two-components handle: 10".One removable three-section plastic box with lid.Matte finish.High-performance alloy steel.Less wear and damage to fastener thanks to Dynamic-Drive™ profile sockets.Quick socket release button on ratchet.Case: High density polythene (HDPE).Standards: ISO 1174 and DIN 3120