Insulated screwdriver Bit PH 1 - 113 mm long, so sees the mechanic where he screwed with the battery screwdriver! - Electrically isolated – from the top to accommodate! So the voltage where it belongs becauset - into the part and not the tool! - color code (a color for each screw type; Size by different color gradations visible) – so is the first grip the right tools at hand!

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