Aluminum Construction: Crafted from aluminum alloy for superior durability and long lasting in various conditions, ideal for photography and videography accessories Multiple Size: Available in 13mm / 15mm / 17mm / 20mm / 25mm ball head sizes to accommodate different mounting needs for cameras, phones, tablets Versatile Compatibility: Suitable for wide devices including action cameras, phone holders, mounts, and tablet stands for flexible usage Secure Adjustable Grip: The ball head design allows smooth angled adjustments and stable positioning on various surfaces for angled Easy Installation: Features a 1 / 4 inch female thread adapter for seamless attachment to tripods, selfie sticks, and other mounting accessories