Universal spider fitting pattern with full movement of arms Low profile drop of 150 mm from ceiling Ideal for discrete installations Projector mount with full 360° swivel for quick & easy re-positioning Ball joint adjustment allows for flexible image alignment up to 30° in all directions Tool-less knobs for manual adjustment & set screws for tamper-resistance Installs direct to concrete ceiling or wood beam Manufactured from high quality steel for solid construction with scratch resistant powder coated finish