Double 1 / 4 Mounting Holes: Features two reinforced 1 / 4 female screw holes for attaching multiple photography accessories like tripods, phone holders, and action cameras simultaneously Sturdy Construction: Made from, this clamp is lightweight yet strong enough for mounting microphones, phones, or tablets during live streams and photography Wide Compatibility: Clamps securely onto round tubes with diameters from 15mm to 50mm and grips objects up to 50mm thick, ideal for motorcycles, bicycles, and gym equipment Multi Device: Perfect for securing various devices including action cameras, smartphones, and tablet holders on desks, bikes, or tripods with its versatile design Compact & Portable: Measures just 7.2cm x 4.7cm x 3.5cm, offering easy portability while ensuring a firm hold for stable photoshoots or streaming setups