Thanks guys I just found this at the MAC webpage.
"Warranty Returns (for purchases made from our Web Store and from Distributors)
Products are covered under various warranty periods. Mac Tools warranties products through our distributors. If you currently are not serviced by a distributor, you can return your Mac Tools items for warranty to:
Consumer Warranty Returns Department
Mac Tools
4380 Old Roberts Road
Columbus, Ohio 43228
Your return will be evaluated and items that fall within our warranty will be replaced. Allow 2 to 3 weeks for processing and replacement. To ensure your return reaches us and that we have all information needed to warranty your items, please provide the following:
1. Put a list of the tools inside the carton.
2. Put your name, address and phone number inside the carton.
a. Phone Numbers are required
b. A Physical Address is required (no PO Box)
3. Keep a copy of your tracking number and a list of items sent back.
4. Mac Tools encourages you to insure the package for the replacement value of the tools.
Items that have failed under our warranty will be replaced."