Swivel Mount Wake Tower Speaker Clamp - PairInstall your Signature Series Wake Tower speakers with ease, using the Universal Swivel Wake Tower Brackets.These brackets are designed to securely fit a range of wake tower pipes, with inserts included to suit: 63.5mm (2-1/2), A~ 60.3mm (2-3/8), A~ 57.2mm (2-1/4), A~ 50.8mm (2), A~ 48.3mm (1-29/32), A~ 42.2mm (1-21/32), A~ 33.4mm (1-5/16) sizes.Compatible With:Fusion Signature Series Wake Tower Speakers (SG-FT88SPC and SG-FT88SPWC)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.