The falcon eyes lsb-3 light boom + light stand + sand bag is supplied with a tube clamp, which is compatible with all light stands with a diameter of 3 cm. the included tube clamp allows you to position the arm in various positions to suit your needs. the supplied sand bag acts as a counterweight and is hung from the hook located on the end of the light boom. the included boom arm is equipped with a 3/8” male screw thread. if you require a ¼” screw thread, the sp-4m8f spigot adapter is available in the optional accessories tab below. the lsb-3 for example, allows you to hang your studio lighting above the subject you’re shooting, without being visible in the photo or video. the lsb-3 also provides you with greater freedom of movement around the studio or on location. the lsb-3 is supplied with a carry bag, enabling you to easily take the lsb-3 to and from location.