20 Pieces On or Off Replacement Lamp Knobs Turn Switch Twist Black Plastic Socket Extension Knobs Threaded for Light and Fan Fixtures

Durable: Made of quality material, the plastic lamp knobs are not easy to split, ensuring its service time and offering you a nice using experience. Caution: Turn off electrical current at source before installing the light knobs on lighting fixture or portable lamp. Specification: Material: plastic Color: black Size: 19 x 13 mm/ 0.75 x 0.51 inch (L, max D) Quantity: 20 x Turn knobs Note: Since the size above is measured by hand, the size of the actual item you received could be slight different from the size above. Small items, please keep the products away from kids.