SmallRig Baseplate for Nikon Z 30 3857 is designed to improve grip experience and provide accessory mounting points. It quickly locks the bottom of the camera via a 1/4 "-20 D ring screw. The baseplate comes with an Arca-Swiss quick-release plate for Arca-Swiss tripod such as 2664; Bottom 1/4 "-20 threaded holes for the quick-release plate (upper) of DJI RS 2 / RSC 2 / RS 3 / RS 3 Pro stabilizer or tripod; And a cold shoe mount for the microphone, LED light, etc. At the battery door, there is a hinge arm that fits the camera curve for a comfortable grip and facilitates battery replacement.