General Contractor FAQ
IRWIN Lettered and Numbered Drill Bits information:
Letter and numbered drill bits were developed to make up the gaps in betwee... read more
What is the measuring tape thing and how does it work?
This is for hanging items at an angle. Start on 0 and rotate the tool to th... read more
I just purchased an IRWIN chalk reel and I'm not sure which color chalk I should use for different applications.
Choosing the appropriate chalk if very important. Blue chalk is considered ... read more