Feature: 1. Made of high-quality rubber and plastic material, sturdy, durable, and long service life. 2. Applicable to all DSLR cameras, video cameras, DV, HDV, and high-definition cameras. 3. Simple design, lightweight and compact, easy to carry and use, convenient and practical. 4. Strong practical function, easy to adjust, suitable for any 46-92mm lens diameter, can be locked quickly. 5. The flexible gear ring belt allows better focal length adjustment, with precise fixation at each point. Specification: Item Type: Follow Focus Lens Gear Ring Belt Color: Black Material: Rubber + Plastic Weight: Approx. 22g Applicable Scope: Lens Diameter: Approx. 46-92mm Package List: 1 x Follow Focus Lens Gear Ring Belt