Aluminum Servo Tab Spacer
It makes the diameter of the installation point of the servo equal when the mechanical servo stay is 3 mm and it is the spacer to fix a servo surely.
Also, the difference in case of crash, too, can be prevented.
*As for the use for the machine where much vibration occurs, the consumption of the servo sometimes advances.
It recommends the use of the grommet of the attachment.
Servo Tab spacer