SOURCE
3M Corporate Headquarters
3M Center
St. Paul
MN  55144
888-364-3577
www.3m.com
Sears Craftsman
Hoffman Estates
IL
800-377-7414
www.sears.com/craftsman
HarborFreight
3491 Mission Oaks Blvd
Camarillo
CA  93011
800-444-3353
www.harborfreight.com