The SmallRig Extension Mount Plate Kit for Sony FX3 / FX30 XLR Handle 4830 is a versatile accessory designed for Sony cameras and camcorders. This adjustable mount plate allows for easy customization to fit various camera models like the FX3 and FX30. Made in China, this durable and reliable kit by SmallRig ensures a secure and stable connection for your camera or camcorder, providing users with a flexible and high-quality solution for their filming needs.