8 mm (indicated in the manufacturer's datasheet)

according to the manufacturer's product page

KYZEN CYBERSOLV 141-K er udviklet til effektivt at fjerne:

Handle: Multi-component Kraftform Micro with rotating cap and non-roll/anti-roll function

Blade: chrome-vanadium stål

Spændingsviser BS-I 5-30kV optisk + akustisk COMET Unit(s):Pcs 8 mm (indicated in theProduct 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