Take your underwater experience to new heights with the Ocean Reef Extender Kit; Designed to fit your Ocean Reef Full Face Diving masks with nylon clamping band from 2006 on; Retrofittable On SPACE, G.divers and Raptor Masks; Allows you to customize your Integrated Diving Mask (IDM) System with cameras and accessories; The diving Extender kit includes Frame, new NACS and Earphone supports; A durable frame provides additional protection for your head; NACS communication support assembly allows you to mount your O.R. communication device to your IDM; Earphone support system rotate at a 30-degree angle and can be used for sports cameras for an on-board viewpoint; Light, sturdy, and durable the diving Extender Kit is easy to install