Unique Door Knob Gripper slips over the existing knob or faucet to provide a slip-free, graspable surface. This door knob accessory is designed to assist individuals with limited hand strength or grasping ability in turning standard round door knobs. Door knob grippers are ideal for people with limited hand strength. Glows in the dark for nighttime location. Door Knob Gripper Features: Provide a slip-free, graspable surface. Minimizes hand stress. Glows in the dark. Door Knob Gripper Specifications: Fits over a knob or faucet. Measures 1.5 inches long x 2.13 inches in diameter. Color: white.