Key features - High Strength Clamp: Made of alloy steel for maximum stability. Its U-shaped groove and wider contact area provide a firm hold on various types of furniture. Bayonet length up to 8 cm for a secure, reliable grip. - Wide Compatibility: Supports a 6 mm / 1/4 inch screw interface, making it compatible with most projectors on the market, as well as mobile phone clips, cameras, and tripod heads. - Surface Protection: The clamp groove features a soft adhesive lining and a thickened design to protect furniture and equipment. Leaves no marks, so you can clamp on a variety of surfaces with confidence. - Arm Support: Ingenious rocker arm design allows you to adjust height and angle to suit your needs. Fine workmanship, strong support, and excellent damping help prevent bending or detaching. Use scenarios - Home theater setup: Clamp to a desk, shelf edge, or other furniture up to 8 cm wide to position the projector for optimal viewing without furniture damage. - Office or classroom presentations: Attach to a table or podium, adjust height and angle quickly to ensure the projected image is clear and centered for your audience. - Studio or photography work: Use with camera or projector heads on tripods for flexible mounting in shoots, demonstrations, or product displays, with stable hold and easy re-positioning.