For over 30 years, Electro Static Technology has been a world leader in protection against the damage done by static and other unwanted electrical effects. Their AEGIS® Bearing Protection Ring and High Frequency Ground Strap (HFGS) protect inverter-fed electric motors and generators against premature bearing failure. They also produce a broad line of static discharge brushes. Electro Static Technology is a division of Illinois Tool Works (ITW), a Fortune 500 diversified manufacturing company with operations in 57 countries.