The Zacuto Z-DRM Digital Recorder Rod Mount enables you to attach your large recorder to a pair of 15mm lightweight spaced rods. Slide the Digital Recorder Rod Mount onto the rods and tighten in place with the two red quick release ratcheting levers. The Rod Mount features two 1/4-20 screws in a sliding track to attach your accessory. The track length from screw centers at their widest is 1.35" or about 34mm. The Digital Recorder Rod Mount is compatible with the HXR-IFR5 Sony Recorder, AstroDesign HR-7510 and other recorders or 1/4-20 accessories.