Advantages: 1. Made of coated metal material, offering high hardness, strong grip, and extended durability. 2. Adjustable lighting angle allows 360-degree rotation of the clamp lamp fixture. 3. Ball joints with non-slip design provide secure light fixture connections. 4. Adjustable thumb screws enable manual tightening of the light fixture at any time. 5. Non-slip rubber cover on the grip helps prevent surface scratches and marks. Instructions: Step 1: Connect the clamp to the lamp sockets. Step 2: Squeeze the clip body to open the end. Step 3: Attach the rubber grip to a suitable location. Step 4: Adjust the lighting angle as needed. Application: These adjustable dome lamp clamps can be used as desk lamp clamps in rooms, garages, or art studios, as light holders for photography and workshops, and for house plants. The maximum compatible lamp clamp size is 36mm (1.42 inches). Suitable for mini deep dome light fixtures, reflectors, and similar applications. Note: Maximum compatible size is 36mm (1.42 inches). Size may vary by 1–3mm due to manual measurement. Color: Black, Silver Material: Metal Overall Size: 250 x 80mm (9.84 x 3.15 inches) Clip Bracket Height: 11 cm (4.33 inches) Clip Width: 36mm (1.42 inches) Packing List: 2 x Metal Dome Lamp Clamp Fixture