Taper-Lock™ Manual Adjust 13"-16"Features:Use with any Taper-Lock™ base (sold separately)Warranty: 5 Years(3603825-NS and Swivel sold separately)2-Piece sets include the following parts:2-3\/8″ Manual adjustable post (with posi-lock system)Trac-LockTM non-locking 2-3\/8″ swivel (#1100031-1)WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.