Features: Premium gear knob crafted from aluminum alloy ensures precise manual adjustments and quick installations for DSLR camera cages and photography accessories. Features ergonomic gear shaped design with threading for superior grip and compatibility across tripods, sliders, and studio equipment. Ideal for professional photographers, videographers, and content creators seeking reliabled control knobs for DSLR rigs or camera setups. Perfect for securing camera cages during studio shoots, stabilizing gear on sliders for smooth tracking shots, or adjusting tripod mounted equipment outdoors. This black anodized photography knob combines durability with sleek aesthetics, enhancing workflow efficiency in both studio and field environments. Specifications: Component: aluminum alloy. Product color: black. Applicable scenarios Supports the rapid installation and disassembly of various accessories, such as microphones, lighting and other auxiliary equipment. Package Includes: 1 Pair Thread Gear Knob 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.