Doubles the mounting points for video lights, flashes, microphones, or monitors * Solid aluminum construction * Fits standard cold/hot accessory shoes. Also includes adapter for Sony Advanced Interface Hot Shoe (AIS) camcorders * Distance between mounts: 4.5" (11.4 cm); Mounting levels: 2.5" (6.3cm) and 6" (15.2 cm) * Dimensions (HxLxW): 6" X 6.75" X 1" (15.2 x 17.1 x 2.5 cm); Weight: 2.6 oz (75g)