B+W 52-58mm Step-Up Ring Sound These work well for mounting

These work well for mounting an antenna to the outside of an enclosure

Tacky wax is also popular with artists who value its light

an adjustable/removable mid-level spreader

The level converter is very easy to use

Saves time by power linking multiple units

B+W 52-58mm Step-Up Ring Sound These work well for mountingUse 58mm Filters on 52mm Lens Knurled Sides for Firmer Grip Anodized Aluminum Construction The B+W 52 58mm Step Up Ring permits the use of 58mm threaded filters on lenses with 52mm filter threads. It features a lightweight, aluminum alloy construction that has a corrosion resistant, black anodized finish for durability. This step up ring has side knurlings to provide a more textured grip when mounting or removing it from a lens. Size 52 58 mm