Specification: Origin: Mainland China Photography Accessories Type: Lens Adapter Compatible with: for Canon RF 70-200mm f/2.8L for USM E (III) Color: Black Material: Aluminum Alloy Product Size: 134*100*94mm/5.28x3.94x3.7inch Net Weight: 174g Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x Lens Collar Tripod Mount Ring 1. Durable Aluminum Alloy Construction: Our lens collar tripod mount ring is crafted from high-quality aluminum alloy, ensuring robust durability and long-lasting performance for Canon RF 70-200mm f/2.8L IS USM lens. 2. Custom Designed for Canon RF 70-200mm f/2.8L IS USM: This lens support holder bracket is specifically tailored to fit for Canon RF 70-200mm f/2.8L IS USM lens, providing a perfect match and superior stability during your photography sessions. 3. Split-Structure Design with Anti-Wear Features: The tripod collar mount ring features a split-structure design with an inner wall groove and 3M plastic film lining to minimize wear and tear, ensuring your lens remains in pristine condition. 4. Easy-to-Use Locking Knob: The lens tripod mount ring includes a user-friendly knob that functions identically to the original, allowing you to lock and unlock the ring effortlessly by simply turning the knob to its limit. 5. Versatile Mounting Options: The tripod mount collar ring comes with pre-drilled 1/4" and 3/8" screw holes and stainless steel anti-slip screws at the base, offering versatile mounting options to securely attach your lens directly to a tripod.