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
What does the 'Bi-Metal' mean when referring to a utility blade?
The bi-metal terminology refers to how the utility blade is constructed. W... read more
How do I change the batteries?
Remove the set screws on the top of the unit using the small hex key. Chang... read more