Choose Frame Size: Brush Servo Motors - 2.3" Frame Size Brush Servo Motors - 3.3" Frame Size Brush Servo Motors - 4.0" Frame Size Brush Servo Motors - 4.9" Frame Size Brush Servo Motors - 6.0" Frame Size Servo Systems, Inc. Ph: 440-779-2780 Fax: 440-779-2787 email us Copyright 2003-2013 Servo System...