The manual quick-release connection from the MiniConnect series is specially developed for small ball and tilt heads and can be used with any support system. It is recommended for small to mid-sized camera systems. MiniConnect MR is compatible with the connectors and accessories of the MiniConnect quick-release connection system.Dimensions: h = 0.8” / 20 mm, Ø = 2.1” / 53 mmWeight: 0.22 lbs /100 gTripod connection: 1/4“ or 3/8“One coupling piece with 1/4” camera thread included