Do not use a pipe or extension on hex keys. Doing so can be hazardous.
Always wear safety glasses.
For more information please refer to the Hand Tools Institute website
Eklind Tool Company
11040 King Street • Franklin Park, IL 60131 • U.S.A.
Phone: 800.373.1140 • 847.994.8550
Fax: 800.373.1108 • 847.994.8526
Monday through Friday (excluding holidays): 8:00 AM to 4:30 PM Central Time