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
I am working during the rainy season, and my chalk lines wash away if I don't spray them with polyurethane. Is there any type of chalk that will withstand bad weather, and eliminate this step?
IRWIN makes permanent chalk in either black or red. Because it won't rub, f... read more