[compatible with FX3/FX30 XLR Handle] Compatible with compatible with XLR Top Handle Unit compatible with FX3 and FX30 cameras, this extension rig set can prolong the handle and provide accessory mounting points compatible with expanded functions[1.3inch Length Extension] Attached to the rear of the handle through a 1/4inch screw, the extension rig increases the handle's length by 1.3inch (33mm), and the finger contour makes handheld operation more comcompatible withtable[Quick Release Rail] Installed on the handle via two 1/4inch screws, the included rail provides a convenient and efficient mounting interface compatible with monitor mount adapters, clamps, and other accessories[Ample Mounting Threads] A cold shoe mount, as well as several 1/4inch and 3/8inch threads with locating holes, enable you to install various accessories like a wireless microphone transmitter to the handle compatible with enhanced video/photography qualityColour:BlackMaterial:Aluminum alloyPackage Contents:1x Extension Handle RigOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.