Double 1 / 4 " Screw Compatibility: Equipped with both external and internal 1 / 4 " 20 threaded screws, allowing seamless attachment to baby monitors, action cameras, and studio lighting setups Flexible Positioning: Bendable metal hose enables 360 degree, perfect for angling cameras or phones in outdoor activities, sports, and indoor photography Sturdy Iron Construction: Reinforced iron body ensures durability while the rubberized grip prevents slippage on surfaces like pipes, tables, and light stands Wide Device Compatibility: Designed for action cameras, smartphone holders, circlet lights, and camping lamps with a clamping ranges of 1mm 60mm thickness Adjustable Heavy Duty Clamp: This versatile C clamp features three length option ( 28cm / 35cm / 48cm) with a sturdy iron construction, supporting devices up to 6cm diameter for secure mounting on bikes, railings, and tripods