What will remove the permanent staining chalk?
The chalk is permanent staining and we do not guarantee that anything will ... 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
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