4.7inch Extension Mount Bar Hot Shoe Dual Bracket 1 to 2 Compatible with Canon Nikon Sony Pentax Olympus DSLR Camera, Camcorder, Flashes, Lights, Microphone, DV Camera, LED Video Light - Material: aluminum and hard plastic - Compared to those hefty rigs, this Extension bar of good quality won't be such a burden to carry. - Equipped with movable 1/4 screw and detachable shoe mount - Anodized matte treatment to add increased protection and be of corrosion resistance. - Built-in 1/4 threaded hole for tripod, light stand, handle grip and other support