RAM D Size 2.25" Ball on Round Plate with AMPS Hole Pattern - RAM-D-254U

The RAM-D-254U consists of a 2.25" diameter rubber ball, connected at right angles to a 2.4375" diameter round plate. The plate has pre-drilled holes in the base plate, including two holes at 180 degrees. Specs & Features Material: Powder Coated Marine Grade Aluminum Ball Size: 2.25" Rubber Ball "D" Size Note: The "U" in the part number reflects product packaged in poly bag. Weight:0.6 lbs. Videos 2 7/16" DIAMETER BASE WITH 2 1/4" BALL (AMPS) RAM® Mounts: Ball Sizes & Weight Capacities Compatible With Compatible Arms and Mounts RAM Medium Length Double Socket Arm for D Size 2.25" Balls - RAM-D-201U RAM Double Socket Arm With Jam Nut For D Size 2.25" Balls - RAM-D-201U-MI1 RAM Short Length Double Socket Arm for D Size 2.25" Balls - RAM-D-201U-C RAM Short Double Socket Arm With Jam Nut For D Size 2.25" Balls - RAM-D-201U-C-MI1 RAM Long Length Double Socket Arm For D Size 2.25" Balls - RAM-D-201U-E RAM Double Socket Arm With RAM® Pin-Lock™ Security Nut And Key Knob For D Size 2.25" Balls - RAM-D-201-SU RAM HORZ. SWING ARM SYSTEM W/O BALL BASE - RAM-D-162H-MC3 RAM Vertical Mounting Base With Single Socket D Size 2.25" Swing Arm - RAM-D-162V-MC3 RAM Horizontal Mounting Base With Single Swing Arm And D Size 2.25" Ball Socket - RAM-D-109HS-4U