Bahco 7400SM-20 20mm x 3/8" Hex Socket

20mm hex socket which is made from high performance alloy steel with a highly polished finish.Has a 3/8" square drive to be used with a ratchet.Features a knurled shank to enhance grip when turning loose fasteners manually with fingers.The Dynamic-Drive™ profile creates less wear on the fastener.Maximum load distribution and torque from the additional flank area.Adheres to standards ISO 2725/1174 and DIN 3124/3120.Not suitable for machine operation or with power tools.