ARRI Standard Rosette: Nitze N64-ER rosette mount features a standard female ARRI-Style rosette with an M6 threaded hole Easy to Install: The rosette mount for ARRI standard can be secured to camera cages and other supports via two 1/4" screws Adjustable Mounting Position: The 1/4" screw slot of the rosette adapter allows you to adjust the mounting position Aluminum Material: The female rosette mount for ARRI is made of lightweight and durable aluminum alloy; It weighs only 23 g High Compatibility: The rosette mount adapter is compatible with accessories with standard ARRI rosette, such as Nitze PA29A/ PA22-H1 /PA33A side handle