Return SP24 Price : $25.00 Quantity : **Add To Cart Supersonic SP24 Mounting Plate Fits: 3W 24i / 28i   SP24 Specifications Width 4.375" Height 3.00" Thickness 3/16" Mounting Hole Spacing Top: 3.875" Bottom: 2.75" Vertical: 1.875" Weight (w/Hardware) 2.6 Oz     Specifications Subject To Change Without Notice