Return SP38 Price : $25.00 Quantity : **Add To Cart Supersonic SP38 Mounting Plate Fits: 3W 38i / 42i   SP38 Specifications Width 4.375" Height 3.60" Thickness 3/16" Mounting Hole Spacing Horizontal: 3-1/16" Vertical: 2-7/8" Weight (w/Hardware) 2.6 Oz     Specifications Subject To Change Without Notice