Change the shaft size to adjust how far you can move the handle.
Collar limits how far the shaft can travel, using bigger shaft will reduce the space between shaft and collar, resulting shorter max throw. While smaller shaft will have longer throw.
Changing the shaft size also change how far the actuator hitting the switches, when your input become hit or miss, consider to adjust the switch spacing or actuator size. For most setup, the ideal max throw distance is about twice from neutral to the switch click.
Medium Dustwasher and E-clip Included for every shaft purchase.
This shaft have 6mm thread, compatible with Sanwa battop and balltop.
For more information please read Silver Shaft article.