Specialist socket for unscrewing lambda sensors fitting on a 1/2" shank, size 27 mm, length: 78 mm. TOPTUL tools are manufactured with the most demanding tasks in mind. Precisely selected materials, high precision of workmanship, and resistance to deformation and cracking determine their immense popularity and excellent reputation. Combined with exceptional surface finish and affordable price, TOPTUL tools are an excellent addition to your tool arsenal.