WD Music JCB2B Black Jackplate Football Point to Point length = 1 63/64 in. (50.4mm) Mounting Hole Ctr to Ctr = 1 1/2 in. (37.9mm) Jack Bore size = 3/8 in. (9.73mm) Side to side width = 1 1/32 in. (26mm) Metal Thickness = 3/64 in. (1.1mm)