Feature: 1. 【Camera Lens Tripod Mount Ring】The lens tripod mount is specifically designed for Tamron 70-180mm F2.8 lenses. This essential tool provides reliable support for your camera lens. 2. 【Always Keep Your Lens Secure】Featuring a side locking knob and anti-slip foam pad, this lens tripod holder ensures secure attachment of your camera lens, safe and reliable to use. 3. 【Quick Release Design】The 38mm Arca-Swiss standard bottom base allows for easy installation and quick release of the lens support bracket from Arca type tripod ball heads. 4. 【Multiple Threaded Holes】Equipped with multiple 1/4 inch and 3/8 inch threaded holes, this lens tripod supports can be mounted to various tripods or monopods for added convenience. 5. 【Durable and Reliable】The aluminum alloy construction, CNC precision machining, and anti-oxidation treatment surface guarantee durability and reliability. Specification: Features: 【Camera Lens Tripod Mount Ring】The lens tripod mount is specifically designed for Tamron 70-180mm F2.8 lenses. This essential tool provides reliable support for your camera lens. 【Always Keep Your Lens Secure】Featuring a side locking knob and anti-slip foam pad, this lens tripod holder ensures secure attachment of your camera lens, safe and reliable to use. 【Quick Release Design】The 38mm Arca-Swiss standard bottom base allows for easy installation and quick release of the lens support bracket from Arca type tripod ball heads. 【Multiple Threaded Holes】Equipped with multiple 1/4 inch and 3/8 inch threaded holes, this lens tripod supports can be mounted to various tripods or monopods for added convenience. 【Durable and Reliable】The aluminum alloy construction, CNC precision machining, and anti-oxidation treatment surface guarantee durability and reliability. Specifications: Material: Aluminum Alloy Item Weight: 144g/ 5.1oz Packing List: 1 * Lens Tripod Mount 1 * Mini Wrench Package List: 1 * Lens Tripod Mount 1 * Mini Wrench