Useful for people who have difficulty turning doorknobs.
The inner ribs grip the doorknob firmly while the smooth outer surface allows a gentle stroke of the hand to turn the knob. Can also be used on outdoor water faucets. Easily installed by slipping the device over the doorknob.
U.S. Patent #6,154,928
Warranty: 12 months parts and labor. Click here to get the full warranty and warranty card.