The difference between the third and fourth is that the fourth generation SE version cancels the adjustable center point, and the inside cannot be physically adjusted. It is suitable for customers who have their own calibration board or calibration tool website For Game Console High Precision Adjustable Joystick For Joystick Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:Yellow+Black Material:Metal+ABS Package Contents: 10x 4th generation SE joystick Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.