1. Applicable Model: The tripod mount rings base fits for 70 to 200mm F2.8 DG DN OS Sports E Mount L Mount, fits for 500mm F5.6 DG DN OS Sports E Mount L Mount.
2. Arrow Storage Case Plate: The lens collar foot comes with a 105mm Arrow Storage Case plate on he bottom, equipped with 1/4 inch and 3/8 inch thread holes, fitting for Arca- tripod heads and clamps.
3. Enhanced Stability: The tripod mount base is mounted on the tripod and lens rings, helping secure heavy or long lenses in front of the camera, ensuring stability and balance.
4. Premium Material: Made of aluminum alloy with CNC processing, this Arrow Storage Case lens collar bracket is sturdy and lightweight, resisting wear and deformation, ensuring long lasting use.
5. Easy Installation: Comes with 4 fixing screws for direct mounting to the lens base, tighten with the included wrench, no complex tool or special steps required, saving your time and effort.

Spec:
Item Type: Tripod Mount Rings Stand Base
Material: Aluminum Alloy
Thread Hole Size: 1/4 inch, 3/8 inch
Applicable Lens: Fit for 70-200mm F2.8 DG DN OS Sports E Mount L Mount, Fit for 500mm F5.6 DG DN OS Sports E Mount L Mount

packing list:
1 x Lens Mount
4 x Fixing Screws
1 x L Type Hex Wrench