
Shaft is 1/16" longer than 4". The handle is slightly thicker than other screwdriver brands and measures approximately 1.25 inches in diameter. I also received a Wiha 40010 magnetizer and it works great with this screwdriver. I wasn't expecting much but it worked like a charm. BTW, after much searching for an answer, "profiled" simply means "precise cut"; more specifically a 4-point crosshead tip. This bit fits the head of the #2 screw EXACTLY without wobbling. Haven't tried it on cheap screws but so far it's a very accurate tip, no slipping/stripping under torque.

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