Kupo Arri 3/8In Locating Pin To Arri Rossette (M6) AdapterKupo Arri 3 8In Locating Pin To Arri Rossette (M6) Adapter Mfr SKU: KG035811 Helix SKU: KUKG035811 Overview There are various standards of rosettes, but Arri is one of the industries most common with an outer diameter of 31. 8mm, 60 teeth with a 3 8in locating pin, and an M6 internal thread. The Kupo 3 8in Arri Rosette Adapter with Locating Pin (M6) is perfect for cameras or camera cages with a 3 8in internal thread. Made of stainless steel and