Description:- For closings of: pneumatic and hydraulic systems magnetic valves in automobile- and machinery sector magnetic valves of oil heating contactless detection of permanent magnets contactless voltage field sensor implemented magnetic field sensor dimensions: approx.: 158 x 28 mm female square 5, 6, 7-8 mm female three-square 9 mm 5 mm square for radiator valves two-way-key 3-5 mm magnetic bit adaptor 1/4″, supplied with one bit PH 2 screwdriver function with retaining clip zinc die-casting