Uxcell M4x10mm Knurled Thumb Screws Flat Brass Bolts Grip Knobs Fasteners for Retro Lamps Lights 5 Pack

These knurled thumb screws are good replacements on repairing retro lamps furniture machines household appliances electronic equipment and so on. Advantage: These brass thumb screw knobs have quite good corrosion resistance and they have a professional appearance. Not easy to deform and is durable to use. The knurled head design can help you grip the screws easier so you can tighten or loosen it with the bare hand no tools required. Instruction: Grip the knurled head and rotate the screws good lighting accessories for fastening. NOTE: Please confirm the thread size.