For almost 20 years Electro Static Technology, an ITW company, has produced the patented AEGIS® Shaft Grounding Ring, used in millions of motors around the world to protect motor bearings from electrical discharge. Our dedication to providing an effective and lasting solution that prevents electrical bearing damage, motor failure, and expensive downtime has led us to be adopted by electric motor users in manufacturing, HVAC, transportation, energy, water treatment, electric vehicles, and other commercial and industrial applications. AEGIS® Shaft Grounding Rings are included by many motor manufacturers, and can be retrofit to existing motors. A Made in the USA product, the AEGIS® Shaft Grounding Ring is manufactured in Mechanic Falls, Maine.