The StudioKing BM2350A Professional Light Boom + Light Stand + Counterweight is supplied with a Tilting Clamp, which is mounted onto the top of the supplied light stand. The boom arm is telescopic and is equipped with an interchangeable and removable ¼” and 3/8” spigot. The spigot can be positioned horizontally or vertically. When fully extended, the BM2350A has a maximum loading weight of 4 kg. The included counterweight weighs 5 kgs.