Crank Lobrazny ET1029 used to work with the end heads having a square drive 1/2 ". A characteristic feature of knob Lobraznogo is its length and the manufacture of material. The length of the driver (280 mm) is the average value for operation with end heads. Therefore, you can work reversible and cars and trucks Material -.. This chrome-vanadium steel tool steel characterized by high strength and durability Easy knob is that it can be on both sides of installing. be the end of the head. The long side of the driver can unscrew the nuts and bolts with deep holes or landing with a limited and narrow space.