SmallRig BSS2263 Heli-Coil Insert Protection Mounting Plate for DJI Ronin S/SC is designed to prevent the heli-coil insert on the bottom of Ronin S and Ronin-SC from slipping off as well as provide some accessory mounting holes. It connects to the bottom of Ronin S and Ronin-SC via 1/4”-20 and 3/8”-16 screws to prevent twisting. The bottom features both 1/4”-20 and Arri 3/8”-16 threaded holes for mounting accessories such as tripod plate to hold your Ronin-S onto the tripod. Optional Nato Rail 1195 and Nato Handle 1955 can be used to hold the Ronin-S upside down. The side of the plate comes with an Arri locating holes for Magic Arm 2115 for the monitor to prevent twisting. The lightweight plate also designed to compatible with the original Ronin S tripod and Smallrig Gimbal Side Handle BSS2222.