The SP-SB-RING-22 is a swivel tightening ring for 22mm pedestals and mounts. This includes only the 22mm tightening ring. No holders or mounts are included in this package. This tightening ring is compatible with Arkon 22mm ball mounts, including CM117-SBH (Long Windshield Suction Pedestal with Telescoping Arm), GN088-SBH (Seat Rail or Floor Mount with 18" Gooseneck), GN088-L22-SBH (Seat Rail or Floor Mount with 22" Gooseneck), HM002-SBH (Single-Seat Headrest Mounting Pedestal), and HM003-SBH (Headrest Extension Mounting Pedestal).