SPECIFICATIONS Length: 9-1/4" Width: 3-3/8" Thickness: 3/4" Hole Diameter: 1/4" Vertical Center-to-Center: 1-3/4"" Horizontal Center-to-Center: 3-7/8" Weight: 4.0 lbs
Note: The A-25 and M-25 differ slightly in the center-to-center spacing of the vertical holes (1-3/4" vs. 1-13/16"). The A-25 is used on Mainship and other fine yachts.