1/2 "metric hexagonal socket wrench from BAHCO brand that has a knurled body to turn loose screws by hand, fine polished finish. High performance alloy steel material, contains the Dynamic-Drive ™ and its packaging unit is blister with product information. The diameter of the vessel is 11 mm, the dimensions in L are 38 mm, the dimensions in D1 are 6.6 mm, the dimensions in D2 are 22 mm and the dimensions in T are 7.1 mm while its approximate unit weight is 51 gr.