Product DescriptionSize: 135*75*MmColour: BlackMaterial: Aluminum AlloyPackage Content: 1*L Vertical Clapper1. High Quality Materail: Made Of Aluminum Alloy With Precise And Oxidation Treatment. Sturdy And Durable. Equipped With An Anti-Slip Screw Which Works With U-Shaped Grooves Of The Clamp To Avoid Accident Drops.2. Standard Screw Sockets: Several Universal Screw Sockets To Install Multiple Devices Like Microphone, Speedlite, Panel Light, Led Monitor And More Accessories For Vloging, Live Streaming And Video Shooting.3. Vertical And Horizontal Photography: Can Switch From Vertical To Horizontal Shooting Quickly And Work With Tripod, Video Track Slider, Stabilizer .4. Universal Plate: Compatible With Socket Or Screw For Most Of Dslr.5. Easy To Install: Both Plates Are Compatible With Standard Slot Which Can Be Installed To The Clamp. Or You Can Install The Shorter Plate To Quick Release Plate Withscrews Directly.