1/2 "metric bi-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 36 mm, the dimensions in L are 57 mm, the dimensions in D1 are 50 mm, the dimensions in D2 are 42 mm and the dimensions in T are 20.3 mm while its approximate unit weight is 320 gr.