: Attach the custom B4 mount adapter using a star pattern to tighten the screws for even pressure.

If you are looking for technical details on this hardware (often used in construction and electrical work),

: These are heavy-duty right-angle clamps designed to secure conduit or piping to structural beams or strut channels .

: High-durability 304 stainless steel for outdoor or industrial use. Hot-Dipped Galvanized (HDG) : Extra corrosion protection.

: Standard for indoor, non-corrosive environments.

If the ".mp4" in your query refers to a video file demonstrating equipment, it likely involves the —a standard for professional broadcast lenses. The Cineilux Adapter Kit