Normally, the lambda probe, the so-called oxygen sensor, can be unscrewed without any problems with an ordinary socket wrench. But when the car is old, the probability of unscrewing the stuck element without difficulties is significantly reduced. In order not to break the standard tool is used a special reinforced head and puller for lambda-probe. The tool is made of chrome vanadium steel, which ensures durability.  The set is supplied in a plastic case. The total weight is 1 kg.