10 Twist and Lock Ceiling Attachments for Virtual Walls, Monitors and Stars for use with ITK-313, ITK-313 H, ITK-313 P, ITK-313L, ITK-313LP H, ITK-313 P H, ITDK-318 G, ITDK-318 H, ITK-323, ITK-323 H, ITK-323 P, ITK-323L, ITK-323L H, ITK-323LP H, ITK-323P H, ITK-327 H, ITDK-325 G, ITDK-325 H, ITDK-326 G, ITK-103, ITK-103 H and ITK-123 H.