Blade: chrome-vanadium stål

according to the manufacturer's product page

The wrench has an open end and a ring end

Manufacturer's item number: 2389224

Spændingsviser BS-I 5-30kV optisk + akustisk COMET Unit(s):Pcs Blade: chrome-vanadium stålProduct Overview This Comet BS I voltage detector from HORSTMANN is an indoor, shortened single pole voltage detector with integrated self test. The Comet BS I (order no. 50 0923 001) features a three position selector switch for three nominal voltage ranges and offers visual and acoustic indication for "voltage present" or "no voltage". Functional Features Shortened single pole voltage detector with built in self test. Select from three nominal