Crank Lobrazny ET1034 used to work with the end heads having a square drive 1/2 "The length of the driver -. 450 mm, this large length to work with end heads Such knob frequently used for work with freight cars .. Material -. Chrome vanadium steel . This steel is characterized by high strength and durability Easy tool knob is in the handle, which has a notch -. they slip hands during main convenience of the driver is that the square tries. ditsya on a movable joint. This allows, for example, working with the nuts and bolts at a certain angle to them, if you can not install the handle knob is strictly perpendicular to the bolt or nut.