Features: Elevates your photography setup with these double 15mm tubes, featuring 20mm length and universally 1/4 20 threaded ends for seamless height adjustment across cameras, tripods, and studio rigs. Crafted from aluminum alloy, each pair includes two 15mm diameter risers with double standard threading, offering sturdy elevations control while maintaining compact portability for professional gear configurations. Ideal for cinematographers, vloggers, and studio photographers requiring precise lens positioning during multi angled shoots, or equipment stacking scenarios. Perfect for low angled macro photography, overhead product videography, or stabilizing multi camera setups where balanced elevatiosn enhances shoot flexibility in tight studio spaces or outdoor locations. The anodized 15mm camera risers tubes combine lightweight durability with scratch resistant surfaces, ensuring reliabled performances as essential photography accessories for tripod extensions, lighting mounts, or rigs customization projects. Specifications: Component: aluminum alloy. Product color: black. Size: Approx.20x15mm/0.79x0.59inch Applicable scenarios Package Includes: Pack Of 2 15mm Tubes note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.