SmallRig SR4124 (SR-4124) Cage Kit for Sony FX6 SmallRig Cage Kit for Sony FX6 4124 is lightweight compact and designed to attach accessories and provide protection. It consists of a top plate a V-mount battery plate a side plate a baseplate and a power cable. Overall the kit fits in well with Sony FX6 in terms of the design appearance and color. Among these parts the rear V-mount battery plate together with the power cable attaches the battery for an extra power source for prolonged operating time. It can be slid up and locked to facilitate memory card replacement and BP-U battery installation. The removable side plate when mounted near the back leaves room for the original handle and supports the microphone image transmitter etc.; and when mounted near the front helps balance the camera in vertical shooting. And the baseplate performs better than a mere quick-release plate in protecting the camera from overheating. Besides a slotted screwdriver and a hex spanner are included for easy assembly and disassembly.