RAM 2.43" x 1.31" Composite Diamond Base with 1" Ball and Backing Plate - RAP-B-238-BU

The RAP-B-238-BU consists of a 1" diameter rubber ball connected at right angles to a 2.43" x 1.31" diamond base. The base has two holes 1.912" from center to center, matching diagonally with the industry standard 4-Hole AMPS hole pattern. Included with this base is a highstrength composite backing plate, connected with stainless steel screws and nuts for reinforcing any flat surface that the ball is mounted against. Specs & Features Material: High Strength Composite Ball Size: 1" Rubber Ball "B" Size Note: The "U" in the part number reflects product packaged in poly bag. Compatible With Compatible Arms and Mounts RAM 1" Ball Medium Length Double Socket Arm with Diamond Base - RAM-B-103-238U RAM Long Length Double Socket Arm for B Size 1" Balls - RAM-B-201U-C RAM 18" Long Rigid Aluminum Rod & (2 QTY) Single Socket Arms for 1" Balls - RAP-B-200-1-18U RAM Composite Double Socket Arm for 1" Balls - RAP-B-201U RAM® X-Grip® Cell Phone Cradle with Double Socket Arm - RAP-HOL-UN