The Falcon Eyes SP-014 Adapter is a versatile metal adapter, essential for use in the studio. The SP-014 easily extends your spigot adapter to a 25mm long 3/8” male thread. The SP-014 has an outer diameter of 25mm and an inner diameter of 17mm. Further, the adapter is equipped with a 3/8” male screw thread and this thread has a length of 25mm.