RAM Rectangular Base - D Series - 38 x 64mm 4-Hole Pattern

RAM-D-202U-23 RAM® Ball Base with 1.5" x 2.5" 4-Hole Pattern - D SizeFeatures Rectangular plate with 4-hole mounting pattern of 38.1 x 63.5mm (1." x 2.5") Overall plate size is 51 x 76mm (2 x 3") Included D size 2.25" RAM® rubber ball allows for connection to any D