Sensei PRO 37-46mm Aluminum Step-Up Ring Nikon 16109 It has 3 push buttons

It has 3 push buttons (Reset

5" bay determined by the case layout)

Tri-Color Backlight (Red

6" Holder Bracket

Sensei PRO 37-46mm Aluminum Step-Up Ring Nikon 16109 It has 3 push buttonsUse 46mm Filters on 37mm Lens Knurled Sides for Firmer Grip Matte Black Finish Minimizes Reflections Corrosion Resistant Hard Anodized Finish The Sensei PRO 37 46mm Aluminum Step Up Ring permits the use of 46mm threaded filters on lenses with 37mm filter threads. It has large side knurls to provide a more textured grip when mounting or removing it from a lens. This step up ring features a lightweight, aluminum alloy construction that has a corrosion