Features: ✔All metal material, surface anodized anti-oxidation treatment, CNC processing, it is made of aluminium and copper. ✔Provides one shoe mounts and 1/4" screw holes Compatible with speedlights and microphone receivers with standard hot shoe like Canon, Nikon, Pentax, Olympus flash units and Zoom audio recorders. Specifications: ✔Color:Matte Black ✔Material: Aluminium, copper ✔Mounting Thread：3/8 to 1/4 convert screw ✔Item Size: Length: 3.14"/80mm Width: 0.98"/25mm Height: 0.59"/15mm ✔Item Weight: 1.58oz/45g ✔Packaging included: ✔1*clamp for quick release L plate