Stainless Steel Round Ball Entry Door Knob Lock

Braking resistors are widely used in diesel locomotives, DC electric locomotives and subway vehicles. In the vehicle braking process, some vehicles, such as subway vehicles, its main circuit to provide the braking resistor current.The ergonomic spherical knob shape fits hands comfortably for easy gripping, enabling smooth, noise-free door opening and closing without jamming or squeaking. Its compact circular design fits seamlessly with traditional, modern and minimalist door styles, making it a versatile match for wooden, metal and composite doors of most standard sizes. The lock set comes with a complete accessory package, including a solid brass latch cylinder, strike plate, latch bolt and two matching entry keys. The anti-pick internal lock cylinder provides reliable daily security to protect private rooms, offices and rental housing. All mounting hardware is fully included to support quick DIY installation, no professional tools or complex operations required.